Sydneysiders were treated to an incredibly rare natural phenomenon early on Wednesday evening when a double rainbow appeared over the city.
This sent residents and travelers alike, from the capital of New South Wales and one of Australia's largest cities, into an instant photographic frenzy, prompting thousands of people to upload their rainbow pictures to Instagram.
Rainbows Light Up Sydney Harbour
Australia Rainbow(01 of15)
A woman takes a photograph as a rainbow forms over the Harbour Bridge on a wet day in Sydney Wednesday, June 17, 2015. (AP Photo/Rick Rycroft) (credit:ASSOCIATED PRESS)
Australia Rainbow(02 of15)
A rainbow forms over the Harbour Bridge on a wet day in Sydney Wednesday, June 17, 2015. (AP Photo/Rick Rycroft) (credit:ASSOCIATED PRESS)
Rainbows Light Up Sydney Harbour(03 of15)
SYDNEY, AUSTRALIA - JUNE 17: (EDITORS NOTE: This image was shot in panoramic mode on an iPhone.) A rainbow is seen over the Sydney Harbour Bridge on June 17, 2015 in Sydney, Australia. (Photo by Cameron Spencer/Getty Images) (credit:Cameron Spencer via Getty Images)
Rainbows Light Up Sydney Harbour(04 of15)
SYDNEY, AUSTRALIA - JUNE 17: A rainbow is seen over the Sydney Harbour Bridge on June 17, 2015 in Sydney, Australia. (Photo by Cameron Spencer/Getty Images) (credit:Cameron Spencer via Getty Images)
Rainbows Light Up Sydney Harbour(05 of15)
SYDNEY, AUSTRALIA - JUNE 17: A rainbow is seen over the Sydney Harbour Bridge on June 17, 2015 in Sydney, Australia. (Photo by Cameron Spencer/Getty Images) (credit:Cameron Spencer via Getty Images)
Rainbows Light Up Sydney Harbour(06 of15)
SYDNEY, AUSTRALIA - JUNE 17: A rainbow is seen over the Sydney Harbour Bridge on June 17, 2015 in Sydney, Australia. (Photo by Cameron Spencer/Getty Images) (credit:Cameron Spencer via Getty Images)
Rainbows Light Up Sydney Harbour(07 of15)
SYDNEY, AUSTRALIA - JUNE 17: A rainbow is seen over the Sydney Harbour Bridge on June 17, 2015 in Sydney, Australia. (Photo by Cameron Spencer/Getty Images) (credit:Cameron Spencer via Getty Images)
Rainbows Light Up Sydney Harbour(08 of15)
SYDNEY, AUSTRALIA - JUNE 17: A rainbow is seen over the Sydney Harbour Bridge on June 17, 2015 in Sydney, Australia. (Photo by Cameron Spencer/Getty Images) (credit:Cameron Spencer via Getty Images)
Rainbows Light Up Sydney Harbour(09 of15)
SYDNEY, AUSTRALIA - JUNE 17: A rainbow is seen over the Sydney Harbour Bridge on June 17, 2015 in Sydney, Australia. (Photo by Cameron Spencer/Getty Images) (credit:Cameron Spencer via Getty Images)
Rainbows Light Up Sydney Harbour(10 of15)
SYDNEY, AUSTRALIA - JUNE 17: A rainbow is seen over the Sydney Harbour Bridge on June 17, 2015 in Sydney, Australia. (Photo by Cameron Spencer/Getty Images) (credit:Cameron Spencer via Getty Images)
Rainbows Light Up Sydney Harbour(11 of15)
SYDNEY, AUSTRALIA - JUNE 17: A rainbow is seen over the Sydney Harbour Bridge on June 17, 2015 in Sydney, Australia. (Photo by Cameron Spencer/Getty Images) (credit:Cameron Spencer via Getty Images)
Rainbows Light Up Sydney Harbour(12 of15)
SYDNEY, AUSTRALIA - JUNE 17: A rainbow is seen over the Sydney Harbour Bridge on June 17, 2015 in Sydney, Australia. (Photo by Cameron Spencer/Getty Images) (credit:Cameron Spencer via Getty Images)
AUSTRALIA-WEATHER(13 of15)
A rainbow is seen during sunset on a rainy day in Sydney on June 17, 2015. AFP PHOTO / Saeed KHAN (Photo credit should read SAEED KHAN/AFP/Getty Images) (credit:SAEED KHAN via Getty Images)
AUSTRALIA-WEATHER(14 of15)
A pedestrian with an umbrella walks past as a rainbow is seen during sunset on a rainy day in Sydney on June 17, 2015. AFP PHOTO / Saeed KHAN (Photo credit should read SAEED KHAN/AFP/Getty Images) (credit:SAEED KHAN via Getty Images)
AUSTRALIA-WEATHER(15 of15)
A rainbow is seen beyond the landmark Harbour Bridge and Opera House during sunset on a rainy day in Sydney on June 17, 2015. AFP PHOTO / Saeed KHAN (Photo credit should read SAEED KHAN/AFP/Getty Images) (credit:SAEED KHAN via Getty Images)