A duplicate of China's Chang'e I lunar probe sits on display at the China Hi-tech Fair 2007 in Shenzhen on October 13, 2007.

A duplicate of China's Chang'e I lunar probe sits on display at the China Hi-tech Fair 2007 in Shenzhen on October 13, 2007.

A duplicate of China's Chang'e I lunar probe sits on display at the China Hi-tech Fair 2007 in Shenzhen on October 13, 2007.