TheTowerofLondon wasfirstbuiltbyWilliamtheconquerorfort...
問題詳情：TheTowerofLondon wasfirstbuiltbyWilliamtheconquerorforthepurposeofprotectingandcontrollingtheyitisoneofthemostpopulartouristsightsandattractsoverthreemillionvisitorsayear.Itwasoccasionallyuse...