In thi November 4, 2014, file photo, visitors to the 16th China International Industry Fair (CIIF) look at a prototype of what a Chinese Mars rover would look like in Shanghai, China. Head of the China National Space Administration Xu Dazhe said Friday, April 22, 2016 at a rare news conference that plans are being drawn up for the project that was formally announced in January and that it has the government's full support. (Chinatopix via AP Photo)
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