guest Moderator 管理成员 注册 2002-10-07 消息 402,613 荣誉分数 77 声望点数 228 2014-03-21 #1 A large sinkhole formed on Waller Street when LRT tunnelling passed beneath a previously excavated construction pit, according to a technical memo released by the City of Ottawa on Friday. 查看原文...
A large sinkhole formed on Waller Street when LRT tunnelling passed beneath a previously excavated construction pit, according to a technical memo released by the City of Ottawa on Friday. 查看原文...