Visitors select tropical fruits from Qiongzhong City during the 26th China (Hainan) International Tropical Agricultural Products Winter Trade Fair in Haikou, south China's Hainan Province, Dec. 14, 2023. Covering an area of around 80,000 square meters, the 26th China (Hainan) International Tropical Agricultural Products Winter Trade Fair kicked off here on Thursday. Exhibits of the four-day event will focus on fruits and vegetables, grain and oil, aquatic products, and cross-border e-commerce. (Xinhua/Guo Cheng)

Visitors select local winter vegetables during the 26th China (Hainan) International Tropical Agricultural Products Winter Trade Fair in Haikou, south China's Hainan Province, Dec. 14, 2023. Covering an area of around 80,000 square meters, the 26th China (Hainan) International Tropical Agricultural Products Winter Trade Fair kicked off here on Thursday. Exhibits of the four-day event will focus on fruits and vegetables, grain and oil, aquatic products, and cross-border e-commerce. (Xinhua/Guo Cheng)

This photo taken on Dec. 14, 2023 shows plants from tropical rain forests in Wuzhishan City displayed during the 26th China (Hainan) International Tropical Agricultural Products Winter Trade Fair in Haikou, south China's Hainan Province. Covering an area of around 80,000 square meters, the 26th China (Hainan) International Tropical Agricultural Products Winter Trade Fair kicked off here on Thursday. Exhibits of the four-day event will focus on fruits and vegetables, grain and oil, aquatic products, and cross-border e-commerce. (Xinhua/Guo Cheng)

Visitors wait to taste local durians during the 26th China (Hainan) International Tropical Agricultural Products Winter Trade Fair in Haikou, south China's Hainan Province, Dec. 14, 2023. Covering an area of around 80,000 square meters, the 26th China (Hainan) International Tropical Agricultural Products Winter Trade Fair kicked off here on Thursday. Exhibits of the four-day event will focus on fruits and vegetables, grain and oil, aquatic products, and cross-border e-commerce. (Xinhua/Guo Cheng)

This photo taken on Dec. 14, 2023 shows the exhibition booth of Cambodia, the guest country of honor of the 26th China (Hainan) International Tropical Agricultural Products Winter Trade Fair in Haikou, south China's Hainan Province. Covering an area of around 80,000 square meters, the 26th China (Hainan) International Tropical Agricultural Products Winter Trade Fair kicked off here on Thursday. Exhibits of the four-day event will focus on fruits and vegetables, grain and oil, aquatic products, and cross-border e-commerce. (Xinhua/Guo Cheng)

A visitor tries a fishing simulator during the 26th China (Hainan) International Tropical Agricultural Products Winter Trade Fair in Haikou, south China's Hainan Province, Dec. 14, 2023. Covering an area of around 80,000 square meters, the 26th China (Hainan) International Tropical Agricultural Products Winter Trade Fair kicked off here on Thursday. Exhibits of the four-day event will focus on fruits and vegetables, grain and oil, aquatic products, and cross-border e-commerce. (Xinhua/Guo Cheng)

This photo taken on Dec. 14, 2023 shows ornamental fish bred by a biotechnology enterprise from Ledong County during the 26th China (Hainan) International Tropical Agricultural Products Winter Trade Fair in Haikou, south China's Hainan Province. Covering an area of around 80,000 square meters, the 26th China (Hainan) International Tropical Agricultural Products Winter Trade Fair kicked off here on Thursday. Exhibits of the four-day event will focus on fruits and vegetables, grain and oil, aquatic products, and cross-border e-commerce. (Xinhua/Guo Cheng)