![A flamingo-shaped cake is seen on display at the Expo Sweet in Warsaw, Poland, on Feb. 17, 2019. Expo Sweet, one of the largest confectionery and ice-cream fairs in Poland, is held in Warsaw from Feb. 17 to 20. (Xinhua/Jaap Arriens)](http://www.ecns.cn/hd/2019/02/18/1280eb1638be4c83bc66a40dea0d14b4.jpg)
A flamingo-shaped cake is seen on display at the Expo Sweet in Warsaw, Poland, on Feb. 17, 2019. Expo Sweet, one of the largest confectionery and ice-cream fairs in Poland, is held in Warsaw from Feb. 17 to 20. (Xinhua/Jaap Arriens)
![Various kinds of desserts are seen on display at the Expo Sweet in Warsaw, Poland, on Feb. 17, 2019. Expo Sweet, one of the largest confectionery and ice-cream fairs in Poland, is held in Warsaw from Feb. 17 to 20. (Xinhua/Jaap Arriens)](http://www.ecns.cn/hd/2019/02/18/08f90d9084e942d2be4af61e59dba905.jpg)
Various kinds of desserts are seen on display at the Expo Sweet in Warsaw, Poland, on Feb. 17, 2019. Expo Sweet, one of the largest confectionery and ice-cream fairs in Poland, is held in Warsaw from Feb. 17 to 20. (Xinhua/Jaap Arriens)
![A man takes photos of handmade confectionery at the Expo Sweet in Warsaw, Poland, on Feb. 17, 2019. Expo Sweet, one of the largest confectionery and ice-cream fairs in Poland, is held in Warsaw from Feb. 17 to 20. (Xinhua/Jaap Arriens)](http://www.ecns.cn/hd/2019/02/18/504448bf6d8a4e97818e8795e0070923.jpg)
A man takes photos of handmade confectionery at the Expo Sweet in Warsaw, Poland, on Feb. 17, 2019. Expo Sweet, one of the largest confectionery and ice-cream fairs in Poland, is held in Warsaw from Feb. 17 to 20. (Xinhua/Jaap Arriens)
![A confectionery cook makes popsicles at the Expo Sweet in Warsaw, Poland, on Feb. 17, 2019. Expo Sweet, one of the largest confectionery and ice-cream fairs in Poland, is held in Warsaw from Feb. 17 to 20. (Xinhua/Jaap Arriens)](http://www.ecns.cn/hd/2019/02/18/118c7498568740afba5fd78f7c0ebe8f.jpg)
A confectionery cook makes popsicles at the Expo Sweet in Warsaw, Poland, on Feb. 17, 2019. Expo Sweet, one of the largest confectionery and ice-cream fairs in Poland, is held in Warsaw from Feb. 17 to 20. (Xinhua/Jaap Arriens)