A man takes photos of a cat during a cat exhibition in Warsaw, Poland, on Feb. 17, 2019. (Xinhua/Jaap Arriens)
A cat is seen during a cat exhibition in Warsaw, Poland, on Feb. 17, 2019. (Xinhua/Jaap Arriens)
A woman takes photos of a cat during a cat exhibition in Warsaw, Poland, on Feb. 17, 2019. (Xinhua/Jaap Arriens)
A cat is seen during a cat exhibition in Warsaw, Poland, on Feb. 17, 2019. (Xinhua/Jaap Arriens)
A cat is seen during a cat exhibition in Warsaw, Poland, on Feb. 17, 2019. (Xinhua/Jaap Arriens)
