Tourists from all over the country visit the Qilou Old Street in Haikou City, South China’s Hainan Province. (Photos: VCG; Lin Xiaojie)

Visitors appreciate the historical and cultural buildings in the Qilou Old Street, Haikou, South China’s Hainan Province.

Children play in the Three Lanes and Seven Alleys Tourist area, Fuzhou City, East China’s Fujian Province.

Cultural activities in the Qilou Old Street of Haikou, South China’s Hainan Province. By the end of 2020, 135 cities in China had been designated as national historical and cultural cities, with 912 designated historical and cultural blocks and 38,500 historic buildings.

The three Lanes and Seven Alleys Tourist Area in Fuzhou are crowded with tourists, East China’s Fujian Province. China’s Fuzhou and Haikou cities have strengthened protection of urban historical and cultural heritages.