A staff member of Japan's Nagasaki Fishmarket Co., Ltd. shows a piece of bluefin tuna meat at the Food and Agricultural Products exhibition area during the second China International Import Expo (CIIE) in Shanghai, east China, Nov. 7, 2019. A 70 kg bluefin tuna was disintegrated here Thursday during the second CIIE in Shanghai. (Xinhua/Sui Xiankai)