Night view of Haikou, S China's Hainan

This aerial photo taken on April 4, 2023 shows a night view of the Haikou International Duty-Free Shopping Complex (front) and the Xinhai port (back), a key transportation hub, in Haikou, south China's Hainan Province. The third China International Consumer Products Expo will be held from April 10 to 15 in Haikou, capital of the southern tropical province of Hainan. As the core city in the construction of the Hainan Free Trade Port, Haikou has been vigorously improving its infrastructure in recent years. (Xinhua/Yang Guanyu)

This aerial photo taken on Aug. 19, 2022 shows a night view of Haikou, south China's Hainan Province. The third China International Consumer Products Expo will be held from April 10 to 15 in Haikou, capital of the southern tropical province of Hainan. As the core city in the construction of the Hainan Free Trade Port, Haikou has been vigorously improving its infrastructure in recent years. (Xinhua/Yang Guanyu)

Tourist enjoy the night view at the Sky Mountain Haikou Bay Public Pavilions No. 6 Station in Haikou, south China's Hainan Province on April 6, 2023. The third China International Consumer Products Expo will be held from April 10 to 15 in Haikou, capital of the southern tropical province of Hainan. As the core city in the construction of the Hainan Free Trade Port, Haikou has been vigorously improving its infrastructure in recent years. (Xinhua/Zhang Liyun)

This aerial photo taken on Aug. 19, 2022 shows a night view of Haikou, south China's Hainan Province. The third China International Consumer Products Expo will be held from April 10 to 15 in Haikou, capital of the southern tropical province of Hainan. As the core city in the construction of the Hainan Free Trade Port, Haikou has been vigorously improving its infrastructure in recent years. (Xinhua/Yang Guanyu)

This photo taken on April 6, 2023 shows a night view of the Wormhole Library in the Haikou Bay, Haikou, south China's Hainan Province. The third China International Consumer Products Expo will be held from April 10 to 15 in Haikou, capital of the southern tropical province of Hainan. As the core city in the construction of the Hainan Free Trade Port, Haikou has been vigorously improving its infrastructure in recent years. (Xinhua/Zhang Liyun)

This aerial photo taken on April 6, 2023 shows a night view of the Wormhole Library in the Haikou Bay, Haikou, south China's Hainan Province. The third China International Consumer Products Expo will be held from April 10 to 15 in Haikou, capital of the southern tropical province of Hainan. As the core city in the construction of the Hainan Free Trade Port, Haikou has been vigorously improving its infrastructure in recent years. (Xinhua/Zhang Liyun)

This aerial photo taken on April 4, 2023 shows a night view of the Haikou International Duty-Free Shopping Complex in Haikou, south China's Hainan Province. The third China International Consumer Products Expo will be held from April 10 to 15 in Haikou, capital of the southern tropical province of Hainan. As the core city in the construction of the Hainan Free Trade Port, Haikou has been vigorously improving its infrastructure in recent years. (Xinhua/Yang Guanyu)

This aerial photo taken on April 6, 2023 shows a night view of the Hainan International Convention and Exhibition Center, the venue for the upcoming third China International Consumer Products Expo (CICPE), in Haikou, south China's Hainan Province. The third China International Consumer Products Expo will be held from April 10 to 15 in Haikou, capital of the southern tropical province of Hainan. As the core city in the construction of the Hainan Free Trade Port, Haikou has been vigorously improving its infrastructure in recent years. (Xinhua/Yang Guanyu)

This aerial photo taken on April 4, 2023 shows a night view of the Haikou International Duty-Free Shopping Complex (front) and the Xinhai port (back), a key transportation hub, in Haikou, south China's Hainan Province. The third China International Consumer Products Expo will be held from April 10 to 15 in Haikou, capital of the southern tropical province of Hainan. As the core city in the construction of the Hainan Free Trade Port, Haikou has been vigorously improving its infrastructure in recent years. (Xinhua/Yang Guanyu)

This aerial photo taken on June 3, 2022 shows the opening ceremony of 2022 season Chinese Football Association Super League (CSL) in Haikou, south China's Hainan Province. The third China International Consumer Products Expo will be held from April 10 to 15 in Haikou, capital of the southern tropical province of Hainan. As the core city in the construction of the Hainan Free Trade Port, Haikou has been vigorously improving its infrastructure in recent years. (Xinhua/Yang Guanyu)

This aerial photo taken on April 5, 2023 shows a night view of Haikou, south China's Hainan Province. The third China International Consumer Products Expo will be held from April 10 to 15 in Haikou, capital of the southern tropical province of Hainan. As the core city in the construction of the Hainan Free Trade Port, Haikou has been vigorously improving its infrastructure in recent years. (Xinhua/Zhang Liyun)

This photo taken on April 6, 2023 shows a night view of the Sky Mountain Haikou Bay Public Pavilions No. 6 Station in Haikou, south China's Hainan Province. The third China International Consumer Products Expo will be held from April 10 to 15 in Haikou, capital of the southern tropical province of Hainan. As the core city in the construction of the Hainan Free Trade Port, Haikou has been vigorously improving its infrastructure in recent years. (Xinhua/Zhang Liyun)

This aerial photo taken on April 5, 2023 shows a night view of Haikou, south China's Hainan Province. The third China International Consumer Products Expo will be held from April 10 to 15 in Haikou, capital of the southern tropical province of Hainan. As the core city in the construction of the Hainan Free Trade Port, Haikou has been vigorously improving its infrastructure in recent years. (Xinhua/Zhang Liyun)