 A boy walks past a picture of dinosaur in China Geological Museum, which is free to visitors on April 22, 2006, to mark the World Earth Day in Beijing, China.
 People visit China Geological Museum, which is free to visitors on April 22, 2006, to mark the World Earth Day in Beijing, China.
 A woman and her child are attracted by a large piece of gold mine in China Geological Museum, which is free to visitors on April 22, 2006, to mark the World Earth Day in Beijing, China.
 A boy visits China Geological Museum, which is free to visitors on April 22, 2006, to mark the World Earth Day in Beijing, China.
 A boy plays a game named "looking for your birthstone" at China Geological Museum, which is free to visitors on April 22, 2006, to mark the World Earth Day in Beijing, China.
 A woman visits China Geological Museum, which is free to visitors on April 22, 2006, to mark the World Earth Day in Beijing, China.
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