TheTowerofLondon wasfirstbuiltbyWilliamtheconquerorfort...
问题详情：TheTowerofLondon wasfirstbuiltbyWilliamtheconquerorforthepurposeofprotectingandcontrollingtheyitisoneofthemostpopulartouristsightsandattractsoverthreemillionvisitorsayear.Itwasoccasionallyuse...