London will be a sea of undulating flesh on wheels this weekend – as the World Naked Bike Ride hits the capital.
With sweltering temperatures making the UK officially hotter than Brazil, there’s no better reason to strip off and join the fun – and it's all in the name of a decidedly noble cause.
Cyclists are going bare to protest against oil dependency and car culture in the annual worldwide event, which draws to an end in the UK in Clacton on 19 July.
Scroll down for more pictures
Clothing optional - helmets and sunblock are not. A participant in Melbourne last year
London has six start points for this year's nine-mile ride and they are: Marble Arch, Regent's Park, King's Cross, Clapham Junction, West Norwood and Tower Hill.
All start at 2.30pm and eventually merge together at Wellington Arch. (Click here for detailed instructions.)
The nudity symbolises the vulnerability of the individual in traffic basically acts as a license to write humorous slogans on your bum.
If you are taking part though, do heed the rules, which state: "Do not undress until just before the protest moves off, as this will undermine our positive relationship with the authorities.
"There is no law against nudity in Britain, but please don't exercise your right to nudity in London before the ride, as it will impact on our ability to make arrangements with the police. Feel free to undress in the UK at any other time of the year, as this will not have any impact on the WNBR."
[NUDITY - GRAPHIC WARNING] World Naked Bike Rides
(01 of29)
Cyclists participating in the 10th Annual World Wide Naked Bike Ride make their way down W Division Street in Chicago, Saturday, June 8, 2013. (credit:PA)
(02 of29)
Protesters some naked with their body painted during a bicycle protest in the northern port city of Thessaloniki, Greece, on Friday, June 7, 2013. More than 1,000 people took part in the ride, many in makeup, wigs and strategically-placed accessories. The annual event, the sixth held in Thessaloniki, was meant to draw attention to the overuse of cars and to highlight the alternative joys of cycling. (AP Photo/Nikolas Giakoumidis). (credit:AP)
(03 of29)
People take part in the annual World Naked Bike Ride in central London on June 8, 2013 to protest against car culture and to raise awareness of cycling as an environmentally friendly option. The World Naked Bike Ride (WNBR) is an initiative that takes place in over 50 cities around the world. (credit:Getty)
(04 of29)
Protesters some naked with their body painted during a bicycle protest in the northern port city of Thessaloniki, Greece, on Friday, June 7, 2013. (credit:PA)
(05 of29)
Naked cyclists take part in the World Naked Bike Ride to protest against cars, gas emissions from cars and agressive drivers, in Guadalajara, Mexico on June 08, 2013. The Naked Bike Ride is a world event in which cyclists protest against car culture and oil dependency. (Photo credit: HECTOR GUERRERO/AFP/Getty Images) (credit:Getty)
(06 of29)
Protesters some naked with their body painted during a bicycle protest in the northern port city of Thessaloniki, Greece, on Friday, June 7, 2013. More than 1,000 people took part in the ride, many in makeup, wigs and strategically-placed accessories. The annual event, the sixth held in Thessaloniki, was meant to draw attention to the overuse of cars and to highlight the alternative joys of cycling. (AP Photo/Nikolas Giakoumidis). (credit:AP)
(07 of29)
A semi-nude cyclist with a message written on her back that reads in Spanish "To the Queen, the bike" joins a protest ride with other bicycle enthusiasts in Mexico City, Saturday, June 8, 2013. Naked and semi-nude cyclists demonstrated to promote the use of bicycles and to highlight the damage caused by car dependency in the capital. (AP Photo/Marco Ugarte) (credit:AP)
(08 of29)
Naked cyclists take part in the World Naked Bike Ride to protest against cars, gas emissions from cars and agressive drivers, in Guadalajara, Mexico on June 08, 2013. The Naked Bike Ride is a world event in which cyclists protest against car culture and oil dependency. (Photo credit: HECTOR GUERRERO/AFP/Getty Images) (credit:Getty)
(09 of29)
Protesters some naked with their body painted during a bicycle protest in the northern port city of Thessaloniki, Greece, on Friday, June 7, 2013. More than 1,000 people took part in the ride, many in makeup, wigs and strategically-placed accessories. The annual event, the sixth held in Thessaloniki, was meant to draw attention to the overuse of cars and to highlight the alternative joys of cycling. (AP Photo/Nikolas Giakoumidis). (credit:AP)
(10 of29)
Protesters some naked with their body painted during a bicycle protest in the northern port city of Thessaloniki, Greece, on Friday, June 7, 2013. More than 1,000 people took part in the ride, many in makeup, wigs and strategically-placed accessories. The annual event, the sixth held in Thessaloniki, was meant to draw attention to the overuse of cars and to highlight the alternative joys of cycling. (AP Photo/Nikolas Giakoumidis). (credit:AP)
(11 of29)
EDS NOTE NUDITY Protesters some naked with their body painted during a bicycle protest in the northern port city of Thessaloniki, Greece, on Friday, June 7, 2013. More than 1,000 people took part in the ride, many in makeup, wigs and strategically-placed accessories. The annual event, the sixth held in Thessaloniki, was meant to draw attention to the overuse of cars and to highlight the alternative joys of cycling. (AP Photo/Nikolas Giakoumidis). (credit:AP)
(12 of29)
Protesters some naked with their body painted during a bicycle protest in the northern port city of Thessaloniki, Greece, on Friday, June 7, 2013. (credit:PA)
(13 of29)
People take part in the annual World Naked Bike Ride in central London on June 8, 2013 to protest against car culture and to raise awareness of cycling as an environmentally friendly option. The World Naked Bike Ride (WNBR) is an initiative that takes place in over 50 cities around the world. (credit:Getty)
(14 of29)
People take part in the annual World Naked Bike Ride in central London on June 8, 2013 to protest against car culture and to raise awareness of cycling as an environmentally friendly option. The World Naked Bike Ride (WNBR) is an initiative that takes place in over 50 cities around the world. (credit:Getty)
(15 of29)
Protesters some naked with their body painted during a bicycle protest in the northern port city of Thessaloniki, Greece, on Friday, June 7, 2013. (credit:PA)
(16 of29)
Protesters some naked with their body painted during a bicycle protest in the northern port city of Thessaloniki, Greece, on Friday, June 7, 2013. (credit:PA)
(17 of29)
People take part in the annual World Naked Bike Ride in central London on June 8, 2013 to protest against car culture and to raise awareness of cycling as an environmentally friendly option. The World Naked Bike Ride (WNBR) is an initiative that takes place in over 50 cities around the world. (credit:Getty)
(18 of29)
People take part in the annual World Naked Bike Ride in central London on June 8, 2013 to protest against car culture and to raise awareness of cycling as an environmentally friendly option. The World Naked Bike Ride (WNBR) is an initiative that takes place in over 50 cities around the world. (credit:Getty)
(19 of29)
People take part in the annual World Naked Bike Ride in central London on June 8, 2013 to protest against car culture and to raise awareness of cycling as an environmentally friendly option. The World Naked Bike Ride (WNBR) is an initiative that takes place in over 50 cities around the world. (credit:Getty)
(20 of29)
People take part in the annual World Naked Bike Ride in central London on June 8, 2013 to protest against car culture and to raise awareness of cycling as an environmentally friendly option. The World Naked Bike Ride (WNBR) is an initiative that takes place in over 50 cities around the world. (credit:Getty)
(21 of29)
People take part in the annual World Naked Bike Ride in central London on June 8, 2013 to protest against car culture and to raise awareness of cycling as an environmentally friendly option. The World Naked Bike Ride (WNBR) is an initiative that takes place in over 50 cities around the world. (credit:Getty)
(22 of29)
Naked cyclists take part in the World Naked Bike Ride to protest against cars, gas emissions from cars and agressive drivers, in Guadalajara, Mexico on June 08, 2013. The Naked Bike Ride is a world event in which cyclists protest against car culture and oil dependency. (Photo credit: HECTOR GUERRERO/AFP/Getty Images) (credit:Getty)
(23 of29)
Naked cyclists take part in the World Naked Bike Ride to protest against cars, gas emissions from cars and agressive drivers, in Guadalajara, Mexico on June 08, 2013. The Naked Bike Ride is a world event in which cyclists protest against car culture and oil dependency. (Photo credit: HECTOR GUERRERO/AFP/Getty Images) (credit:Getty)
(24 of29)
Naked cyclists take part in the World Naked Bike Ride to protest against cars, gas emissions from cars and agressive drivers, in Guadalajara, Mexico on June 08, 2013. The Naked Bike Ride is a world event in which cyclists protest against car culture and oil dependency. (Photo credit: HECTOR GUERRERO/AFP/Getty Images) (credit:Getty)
(25 of29)
Naked cyclists take part in the World Naked Bike Ride to protest against cars, gas emissions from cars and agressive drivers, in Guadalajara, Mexico on June 08, 2013. The Naked Bike Ride is a world event in which cyclists protest against car culture and oil dependency. (Photo credit: HECTOR GUERRERO/AFP/Getty Images) (credit:Getty)
(26 of29)
People take part in the annual World Naked Bike Ride in central London on June 8, 2013 to protest against car culture and to raise awareness of cycling as an environmentally friendly option. The World Naked Bike Ride (WNBR) is an initiative that takes place in over 50 cities around the world. (credit:Getty)
(27 of29)
Naked cyclists take part in the World Naked Bike Ride to protest against cars, gas emissions from cars and agressive drivers, in Guadalajara, Mexico on June 08, 2013. The Naked Bike Ride is a world event in which cyclists protest against car culture and oil dependency. (Photo credit: HECTOR GUERRERO/AFP/Getty Images) (credit:Getty)
(28 of29)
Naked cyclists take part in the World Naked Bike Ride to protest against cars, gas emissions from cars and agressive drivers, in Guadalajara, Mexico on June 08, 2013. The Naked Bike Ride is a world event in which cyclists protest against car culture and oil dependency. (Photo credit: HECTOR GUERRERO/AFP/Getty Images) (credit:Getty)
(29 of29)
Naked cyclists take part in the World Naked Bike Ride to protest against cars, gas emissions from cars and agressive drivers, in Guadalajara, Mexico on June 08, 2013. The Naked Bike Ride is a world event in which cyclists protest against car culture and oil dependency. (Photo credit: HECTOR GUERRERO/AFP/Getty Images) (credit:Getty)
(CONTAINS NUDITY) World Naked Bike Ride Melbourne 2013
World Naked Bike Ride Melbourne(01 of10)
MELBOURNE, AUSTRALIA - MARCH 03: (EDITORS NOTE: IMAGE CONTAINS NUDITY) Naked cyclists take part in the World Naked Bike Ride on March 3, 2013 in Melbourne, Australia. The bike ride is intended to 'peacefully expose the vulnerability of cyclists, humanity and nature in the face of cars, aggression, consumerism and non-renewable energy'. (Photo by Scott Barbour/Getty Images) (credit:Getty Images)
World Naked Bike Ride Melbourne(02 of10)
MELBOURNE, AUSTRALIA - MARCH 03: (EDITORS NOTE: IMAGE CONTAINS NUDITY) Naked cyclists take part in the World Naked Bike Ride on March 3, 2013 in Melbourne, Australia. The bike ride is intended to 'peacefully expose the vulnerability of cyclists, humanity and nature in the face of cars, aggression, consumerism and non-renewable energy'. (Photo by Scott Barbour/Getty Images) (credit:Getty Images)
World Naked Bike Ride Melbourne(03 of10)
MELBOURNE, AUSTRALIA - MARCH 03: (EDITORS NOTE: IMAGE CONTAINS NUDITY) Naked cyclists take part in the World Naked Bike Ride on March 3, 2013 in Melbourne, Australia. The bike ride is intended to 'peacefully expose the vulnerability of cyclists, humanity and nature in the face of cars, aggression, consumerism and non-renewable energy'. (Photo by Scott Barbour/Getty Images) (credit:Getty Images)
World Naked Bike Ride Melbourne(04 of10)
MELBOURNE, AUSTRALIA - MARCH 03: (EDITORS NOTE: IMAGE CONTAINS NUDITY) Naked cyclists take part in the World Naked Bike Ride on March 3, 2013 in Melbourne, Australia. The bike ride is intended to 'peacefully expose the vulnerability of cyclists, humanity and nature in the face of cars, aggression, consumerism and non-renewable energy'. (Photo by Scott Barbour/Getty Images) (credit:Getty Images)
World Naked Bike Ride Melbourne(05 of10)
MELBOURNE, AUSTRALIA - MARCH 03: (EDITORS NOTE: IMAGE CONTAINS NUDITY) Naked cyclists take part in the World Naked Bike Ride on March 3, 2013 in Melbourne, Australia. The bike ride is intended to 'peacefully expose the vulnerability of cyclists, humanity and nature in the face of cars, aggression, consumerism and non-renewable energy'. (Photo by Scott Barbour/Getty Images) (credit:Getty Images)
World Naked Bike Ride Melbourne(06 of10)
MELBOURNE, AUSTRALIA - MARCH 03: (EDITORS NOTE: IMAGE CONTAINS NUDITY) Naked cyclists take part in the World Naked Bike Ride on March 3, 2013 in Melbourne, Australia. The bike ride is intended to 'peacefully expose the vulnerability of cyclists, humanity and nature in the face of cars, aggression, consumerism and non-renewable energy'. (Photo by Scott Barbour/Getty Images) (credit:Getty Images)
World Naked Bike Ride Melbourne(07 of10)
MELBOURNE, AUSTRALIA - MARCH 03: (EDITORS NOTE: IMAGE CONTAINS NUDITY) Naked cyclists take part in the World Naked Bike Ride on March 3, 2013 in Melbourne, Australia. The bike ride is intended to 'peacefully expose the vulnerability of cyclists, humanity and nature in the face of cars, aggression, consumerism and non-renewable energy'. (Photo by Scott Barbour/Getty Images) (credit:Getty Images)
World Naked Bike Ride Melbourne(08 of10)
MELBOURNE, AUSTRALIA - MARCH 03: (EDITORS NOTE: IMAGE CONTAINS NUDITY) Naked cyclists take part in the World Naked Bike Ride on March 3, 2013 in Melbourne, Australia. The bike ride is intended to 'peacefully expose the vulnerability of cyclists, humanity and nature in the face of cars, aggression, consumerism and non-renewable energy'. (Photo by Scott Barbour/Getty Images) (credit:Getty Images)
World Naked Bike Ride Melbourne(09 of10)
MELBOURNE, AUSTRALIA - MARCH 03: (EDITORS NOTE: IMAGE CONTAINS NUDITY) Naked cyclists take part in the World Naked Bike Ride on March 3, 2013 in Melbourne, Australia. The bike ride is intended to 'peacefully expose the vulnerability of cyclists, humanity and nature in the face of cars, aggression, consumerism and non-renewable energy'. (Photo by Scott Barbour/Getty Images) (credit:Getty Images)
World Naked Bike Ride Melbourne(10 of10)
MELBOURNE, AUSTRALIA - MARCH 03: (EDITORS NOTE: IMAGE CONTAINS NUDITY) Naked cyclists take part in the World Naked Bike Ride on March 3, 2013 in Melbourne, Australia. The bike ride is intended to 'peacefully expose the vulnerability of cyclists, humanity and nature in the face of cars, aggression, consumerism and non-renewable energy'. (Photo by Scott Barbour/Getty Images) (credit:Getty Images)