Passengers stand on a platform at a metro station in Kolkata.

加尔各答一座地铁站站台上，乘客们正在候车。

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Bell Tower Station on Xi'an metro Line 2 is a separated-island-platform station constructed by using both cut-and-cover and mining methods.

西安地铁2号线钟楼站是一座非典型的分离岛式车站，明暗挖相结合； 车站线间距大，左右线站台分离，站台采用暗挖工法。

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