WARSAW, June 20, 2016 (Xinhua) -- Peng Liyuan (C), wife of Chinese President Xi Jinping, listens to an introduction while visiting the Fryderyk Chopin Museum with Agata Kornhauser-Duda (1st L), wife of Polish President Andrzej Duda, in Warsaw, Poland, June 20, 2016. (Xinhua/Xie Huanchi)
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