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比萨斜塔始建于1174年，全部用大理石砌成，为8层圆柱形建筑，高54.5 m，直径16 m，是比萨主教堂建筑群的钟塔。 1360年完工的时候，塔顶中心点已经偏离垂直中心线2.1 m。虽然地震和战火都没摧毁这座罗马式建筑，但是，渣土和粘土形成的不稳固地基、缺乏有效地保护和每年近百万
Built in 1174, the Leaning Tower of Pisa is entirely constructed of marble and is an 8-storey circular tower with a height of 54.5 m and a diameter of 16 m. It is the bell tower of the main cathedral complex in Pisa. When completed in 1360, the center of the top of the tower had deviated 2.1 m from the vertical centerline. Although neither the earthquake nor the war destroyed this Romanesque building, the unstable foundations formed by muck and clay lacked the effective protection and nearly a million