Visitor look at bacteria through a microscope during the National Biologists Night in capital of Warsaw, Poland, Jan. 11, 2019. The eighth edition of the National Biologists Night was held on Friday at lots of universities all around Poland attracting thousands of visitors. (Xinhua/Jaap Arriens)
National Biologists Night held in Warsaw, capital of Poland
Source: Xinhua| 2019-01-12 10:59:24|Editor: Xiaoxia
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