Elon Musk: ‘Let’s Build a City on Mars Now’

October 25, 2014 4:25 PM

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(Photo : NASA / Reuters) Image of Mars snapped by NASA's Hubble Telescope in 2003. Elon Musk thinks Mars could be our "backup planet".

It used to be that he only sought to put a man on Mars. Now, SpaceX Founder Elon Musk has expressed his desire to build a self-sustaining metropolis on the red planet.

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