Aerial photo taken on March 5, 2021 shows the central business district of the Jiangdong new area under construction 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. (Xinhua/Guo Cheng)
