Two decades of sex education in 皇冠体育app
(chinadaily.com.cn) Updated: 2013-07-11 07:50 |
|
A fifth grade student looks at a model of a 2-month fetus during a life science visit in Zhengzhou, Central 皇冠体育app's Henan province, Feb 27, 2009. The visit introduced basic knowledge about matters such as menstruation, wet dreams, and pregnancy. [Photo/CFP] |
