http://www.nrc.nl/international/Fea...msterdam_metro_line_sinks_deeper_into_trouble
Cologne, Germany, Amsterdam; what's next? Is has to be an engineering feat to tunnel under homes and businesses with wooden support beams in the first place, but in this soil? Wow.
Cologne, Germany, Amsterdam; what's next? Is has to be an engineering feat to tunnel under homes and businesses with wooden support beams in the first place, but in this soil? Wow.