They must be careful. In Germany, tunnel construction just caused major train track damage: http://m.spiegel.de/reise/deutschland/a-1162727.html http://m.spiege

They must be careful. In Germany, tunnel construction just caused major train track damage: http://m.spiegel.de/reise/deutschland/a-1162727.html http://m.spiegel.de/reise/deutschland/a-1162727.html