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In pics: botanic garden of Warsaw University Library

Source: Xinhua| 2018-04-23 15:42:03|Editor: ZX
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POLAND-WARSAW-LIBRARY

A woman reads a book at the roof garden of Warsaw University Library in Warsaw, Poland, on April 21, 2018. The botanic garden of Warsaw University Library is one of the largest roof gardens in Europe, covering over one hectare of area. (Xinhua/Jaap Arriens)

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