guest Moderator 管理成员 注册 2002-10-07 消息 402,591 荣誉分数 76 声望点数 228 2014-02-21 #1 A sinkhole that's eight metres wide and 12 metres deep opened up at the construction site for digging the eastern entrance to Ottawa's light rail tunnel. The cause is not yet known, city officials have said. 查看原文...
A sinkhole that's eight metres wide and 12 metres deep opened up at the construction site for digging the eastern entrance to Ottawa's light rail tunnel. The cause is not yet known, city officials have said. 查看原文...
