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Old 04-28-2016, 03:13 PM
Marvin the Martian Marvin the Martian is offline
Join Date: Jun 2015
Location: Phoenix, AZ, USA
Posts: 1,053
Originally Posted by Rotola View Post
Yellowstone isn't man made. I guess I wasn't thinking research and development but merely the cost of the object. And in $2016. I wonder how much the Great Wall of China would cost now?
Well, a while back John Oliver made an estimate that the Trump Wall would cost ~$25 billion...