China's sexual revolution

A passer-by walks under a wall sized advertisement for a local hair conditioner in Shanghai, February 21, 2003. REUTERS/Claro Cortes IV

A student demonstrates how to use a condom during a lecture on HIV/AIDS at a school in Changzhi, Shanxi province, November 29, 2007. REUTERS/Stringer

Bar employees wait for customers at pub in Shanghai late May 30, 2003. REUTERS/Claro Cortes IV

A woman arranges VCDs and DVDs about sex at a booth in the 4th China Reproductive Health New Technologies & Products Expo in Beijing July 11, 2007 on World Population Day. REUTERS/Claro Cortes IV

Jing Jing, a 25-year-old transsexual, waits to undergo a nipple reconstruction as part of a sex change operation at a hospital in north China's Tianjin municipality July 6, 2007. REUTERS/Vincent Du

Members of a club learn pole dancing in Fuzhou, Fujian province March 30, 2008. The club specializes in pole dancing training and is attended by around 40 participants. Picture taken March 30, 2008. REUTERS/Stringer

A Chinese man checks condoms at the AIDS-awareness display at an exhibition in Shanghai March 2, 2006. REUTERS/Stringer

Same-sex couple Zhang Yi (R) and Hai Bei pose for their wedding photographs at Qianmen street on Valentine's Day in Beijing February 14, 2009. For a number of Beijing's gay and lesbian community, Valentine's Day is not just a day to celebrate loving relationships, but also an ideal time to campaign for same-sex marriages and the acceptance of homosexuality in China. REUTERS/Jason Lee

Zhang Jianbo, a bar manager, blows up a condom as part of an event encouraging condom use by homosexuals in Dali, Yunnan province, November 26, 2009. REUTERS/Stringer

University students carry large red ribbons on a street during an HIV/AIDS awareness rally ahead of World AIDS day in Shenyang, Liaoning province November 29, 2008. REUTERS/Stringer

A bar employee waits for customers outside a pub in Shanghai May 31, 2003. REUTERS/Claro Cortes IV

Drag queen performers talk at a bar in Dali, Yunnan province November 23, 2009. REUTERS/China Daily

Women suspected of providing a sex service are arrested inside a local police station in Hangzhou, east China's Zhejiang province November 9, 2006. REUTERS/Stringer

A woman washes her hands at a specially designed wash basin in a public toilet at the under construction "Love Land" theme park in Chongqing municipality in this April 10, 2007 file photo. REUTERS/Stringer/Files

A shop employee packs shelves with sex products at a store located in a four-storey building dedicated entirely to sex items in Beijing August 18, 2009. REUTERS/David Gray

A Chinese woman walks past a condom-vending machine in Jinan, capital city of Shandong province July 30, 2004. REUTERS/Claro Cortes IV

A girl puts the organ's name on the board during the first Hong Kong Sex Cultural Festival in Hong Kong February 26, 2006. REUTERS/Paul Yeung

A box containing packages of musical condom called Idom, which includes a music CD and a condom inside each package, is displayed at a cashier of a store in Hong Kong January 19, 2007. REUTERS/Paul Yeung

Sales staff of sex toy company 'Sweet Secrets' hold dildos to their ears as they listen to the vibrations during a class for employees at the company's store located in a building dedicated entirely to sex products in Beijing August 18, 2009. REUTERS/David Gray

A chorus line of dolls with adjustable heads and life-like body parts graces the showroom of China's Wenzhou Loves Health Products in the eastern province of Zhejiang February 22, 2002. REUTERS/Claro Cortes IV