钟塔是比萨市大教堂建筑群中第三座也是最后一座工程，1173年开始兴建，设计高度为56公尺。
Begun in 1173 as the third and final structure of the city's cathedral complex, it was designed to stand 185 ft (56 m) high.
钟塔是比萨市大教堂建筑群中第三座也是最后一座工程，1173年开始兴建，设计高度为56公尺。
Begun in 1173 as the third and final structure of the city's cathedral complex, it was designed to stand 185 ft (56 m) high.
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