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Farmers show cherries during the cherry festival in Kyustendil, Bulgaria, June 22, 2019. The annual cherry festival opened here on Saturday and will last for two days. (Xinhua/Zhan Xiaoyi)

Farmers show cherries during the cherry festival in Kyustendil, Bulgaria, June 22, 2019. The annual cherry festival opened here on Saturday and will last for two days. (Xinhua/Zhan Xiaoyi)