Visitors watch models wearing sexy underwear strut down the catwalk during the fourth Guangzhou Sex Culture Expo in Guangzhou, South China's Guangdong Province, November 4, 2006. The expo is designed to promote general sex awareness, knowledge, and academic discussion and co-operation in sex studies. [Li Xiaomeng/New Express]

Visitors look at a life-size sex doll on display during the fourth Guangzhou Sex Culture Expo in Guangzhou, South China's Guangdong Province, November 4, 2006. The expo is designed to promote general sex awareness, knowledge, and academic discussion and co-operation in sex studies. [Li Xiaomeng/New Express]

Visitors scramble for free condoms during the fourth Guangzhou Sex Culture Expo in Guangzhou, South China's Guangdong Province, November 4, 2006. The expo is designed to promote general sex awareness, knowledge, and academic discussion and co-operation in sex studies. [Li Xiaomeng/New Express]

An exhibition organized as part of the expo includes ancient relics from museums around Guangdong Province. The event drew more than 60,000 visitors to its first day on Saturday, 10,000 more than the last session's opening day.

Besides the exhibition, other highlights will include a special report on sexual health from Hu Peicheng, a psychologist and serologist from Peking University.

"As China is undergoing the so-called 'sexual revolution,' we are attaching great importance to promoting traditional moral ideas about sexuality," Duan told China Daily.

"China has a totally different attitude towards sex from many countries. We should not only promote a bold, open attitude, as in Western countries, but also preserve healthy, traditional views on sex," said Duan.