A visitors tries on an astronaut suit in the first Beijing science popularization resources exposition at the National Agriculture Exhibition Hall in Beijing, capital of China, Nov. 30, 2007. Over 300 items were on display in the three-day expo, opened on Friday, attracting over 100 science and technology enterprises and museums.

Visitors experience "time tunnel" in the first Beijing science popularization resources exposition at the National Agriculture Exhibition Hall in Beijing, capital of China, Nov. 30, 2007.

A visitor plays e-game in the first Beijing science popularization resources exposition at the National Agriculture Exhibition Hall in Beijing, capital of China, Nov. 30, 2007.

(People's Daily, December 4, 2007)