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A staff member of the Chinese Academy of Tropical Agricultural Sciences (CATAS) observes the in vitro conserved wild orchids in Haikou, capital of south China's Hainan Province, April 2, 2009. The CATAS has built an in vitro conservation center with over 400 different kinds of rare tropical plants after over 10 years research.(Xinhua photo) |
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Editor:Yang Jie