The Aggravating Adventures of a Gigantic Tunnel Drill By Karen Weise | March 31, 2015 http://www.bloomberg.com/graphics/2015-bertha/
Uh, if there are earthquake worries, is being in a tunnel, way underground, a good idea?
The Aggravating Adventures of a Gigantic Tunnel Drill By Karen Weise | March 31, 2015 http://www.bloomberg.com/graphics/2015-bertha/
Uh, if there are earthquake worries, is being in a tunnel, way underground, a good idea?