Home » BBC News - Technology » technology news » East Coast Main Line: Tunnel painstakingly pushed underground East Coast Main Line: Tunnel painstakingly pushed underground Unknown 10:37 AM BBC News - Technology technology news Heavier than the Eiffel Tower, the tunnel was moved at 150cm per hour over nine days. from BBC News - Technology https://ift.tt/39dVIjt Share: Facebook Twitter Google+ StumbleUpon Digg Delicious LinkedIn Reddit Technorati