【正确答案】 To promote aerospace science and general aviation knowledge among the younger generation, in December 2010, Hainan province begins to build a Space Flight Theme Park in Wenchang Cit-y. Covering an area of 1,800 mu (120 hectares) , the theme park is located at Wenchang Satellite Launch Center. The whole project is estimated to cost 3 billion yuan (455 million U. S. dollars) and is expected to be finished in 2013. The park will have four exhibiti-on sections, featuring the earth, moon, Mars and the sun. Visitors can even enter the launch station and watch the actual rocket launch.