People visit a popular science exhibition at the old Beijing Planetarium in Beijing, capital of China, July 12, 2008. The old Beijing Planetarium built in 1957 reopened to public on Friday after an overall rebuilding and facility renovation.(Xinhua Photo)
Visitors visit a popular science exhibition at the old Beijing Planetarium in Beijing, capital of China, July 12, 2008. The old Beijing Planetarium built in 1957 reopened to public on Friday after an overall rebuilding and facility renovation. (Xinhua Photo)
