Nepalese people watch as a straw effigy of Ghanta Karna burns during celebrations of the Hindu festival of 'Gathemangal', also known as Ghanta Karna, in Bhaktapur on the outskirts of Kathmandu on July 17, 2012. The Nepalese festival, which celebrates the defeat of the mythical demon Ghanta Karna ('bell-ears'), is celebrated by performing the legendary drama in the streets. (Photo credit: PRAKASH MATHEMA/AFP/GettyImages)

Justin Bieber fans scream during his performance for the 'Sunrise' broadcast at the Overseas Passenger Terminal on July 18, 2012 in Sydney, Australia. (Photo credit: Brendon Thorne/Getty Images)

Workers recover a bridge over the Kumanoue River in Ukiha, Fukuoka prefecture on July 18, 2012. A typhoon menacing already sodden southwestern Japan could dump weeks' worth of rain on the area, forecasters warned, as communities struggle to recover from huge floods. (Photo credit: KAZUHIRO NOGI/AFP/GettyImages)

Cambodian soldiers sit on an armoured vehicle as it travels a long a street after a ceremony marking the withdrawl of troops from an area disputed with Thailand near the Preah Vihear temple in Preah Vihear province, some 500 kms northwest of Phnom Penh on July 18, 2012. Cambodia and Thailand pulled hundreds of troops out of the disputed border area near the ancient temple on July 18, a year after the UN's highest court ordered both nations to do so 'immediately'. (Photo credit: KHEM SOVANNARA/AFP/GettyImages)

A man dressed as a Disney character throws water onto guests on a hot day at a special summer attraction called 'Summer Oasis Splash' at Tokyo Disney Sea in Urayasu, suburban Tokyo on July 18, 2012. Tokyo's temperatures climbed over 30 degrees celsius as Japan's meteorological agency announced that Japan's 2012 rainy season had ended on July 17. (Photo credit: YOSHIKAZU TSUNO/AFP/GettyImages)

Visitors browse Chinese political books at the Hong Kong Book Fair in Hong Kong on July 18, 2012. More than 530 exhibitors from 20 countries are taking part in the 23rd edition of the fair with around a million people expected to attend the annual event, which is known for shedding light on work that has been banned in mainland China. (Photo credit: PHILIPPE LOPEZ/AFP/GettyImages)

Children play at the Marina Barrage, a reservoir in the heart of the city-state's business district on Wednesday July 18, 2012 in Singapore. (Photo credit: AP Photo/Wong Maye-E)

A boy plays in a water feature at the Marina Barrage, a reservoir in the heart of the city-state's business district on Wednesday July 18, 2012 in Singapore. (Photo credit: AP Photo/Wong Maye-E)

Japan's Emperor Akihito arrives at Meiji Shrine in Tokyo Wednesday, July 18, 2012. The imperial family visited the Shinto shrine where the defied spirit of Emperor Meiji, Akihito's great-grandfather, was dedicated, to mark the centennial of his death on July 30. in Tokyo, Wednesday, July 18, 2012. (Photo credit: AP Photo/Itsuo Inouye)

Shinto priests march as Japan's Emperor Akihito, unseen, visits Meiji Shrine where his great-grandfather Emperor Mutsuhito's spirit is dedicated, in Tokyo Wednesday, July 18, 2012. Akihito visited the Shinto shrine to mark the centennial of Mutsuhito's death on July 30. (Photo credit: AP Photo/Itsuo Inouye)