The world's longest tunnel opened Gotthard Base (Video) 02/06/2016 The world's longest tunnel, Gotthard Base, opens: 57 kilometers long and 2 thousand 300 meters deep, passing under the Swiss Alps and shortening the distance between north and south of Europe...
Tunnel-ka adduunka ugu dheer, Gotthard Base, wuxuu furaa: dherer dhererkiisu yahay 57 kiiloomitir iyo xNUMX kun oo 2 mitir oo qoto dheer, oo ka sii gudbaya Switzerland Alps iyo soo gaabin kara masaafada u dhexeysa waqooyiga iyo koonfurta Yurub [More ...]