BigBen,thelandmarkofLondon,aclockfamousforitsaccuracyan...
问题详情：BigBen,thelandmarkofLondon,aclockfamousforitsaccuracyandchimes(*的钟声),stoppedworkingfor90minutes,anengineersaidSaturday. Peopledonotknowwhythe147-year-oldclockonthebanksoftheRiverThamesstop...