Chongqing Zoo holds birthday party for 4 one-year-old giant pandas

Staff members take care of giant pandas at the Chongqing Zoo in southwest China's Chongqing Municipality June 23, 2020. 

Four giant pandas enjoy food during their birthday party at the Chongqing Zoo in southwest China's Chongqing Municipality June 23, 2020. 

Staff members take care of giant pandas at the Chongqing Zoo in southwest China's Chongqing Municipality, June 23, 2020. 

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