March 15, 2011 - S8.E17
Rick is in Niagara Falls where he joins the crew of the Niagara Tunnel Project, an enormous tunnel boring project around the Falls (10 kilometers long; 14 meters wide). Rick finds out how to run 'Big Becky', the largest tunnel-boring machine in the worl
March 15, 2011 - S8.E17
March 15, 2011
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