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the old clock tower from issoire ,france
A clock tower under blue sky
Zytglogge is a landmark medieval clock tower in Bern city in Switzerland
Aerial photography of the Drum Tower and Bell Tower in Xi'an
Bologna's Two Towers Asinelli and Garisenda and Santo Stefano church against a blue sky.
Tower of winds in the roman market in Athens Greece, It is clock tower that functioned as a "timepiece". It is considered the world's first meteorological station.

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