Aerial photo taken on May 4, 2021 shows the city view in Haikou, capital of South China's Hainan province. Haikou, an important city of China's Belt and Road Initiative and also a core city for the construction of free trade port in Hainan province, will greet the first China International Consumer Products Expo. [Photo/Xinhua]
Aerial photo taken on May 3, 2021 shows the Wanlyuyuan Park in Haikou, capital of South China's Hainan province. [Photo/Xinhua]
Aerial photo taken on May 5, 2021 shows the Qilou ancient street in Haikou, capital of South China's Hainan province. [Photo/Xinhua]
Aerial photo taken on May 3 2021 shows the Shiji Bridge in Haikou, capital of South China's Hainan province. [Photo/Xinhua]
Aerial photo taken on May 4, 2021 shows the Holiday Beach in Haikou, capital of South China's Hainan province. [Photo/Xinhua]
Aerial photo taken on May 4, 2021 shows the Haikou National Sailing Base Public Wharf at night in Haikou, capital of South China's Hainan province. [Photo/Xinhua]
