A visitor takes photos of the sea at a cliff hotel on Nanji island in Wenzhou, east China's Zhejiang Province, July 29, 2020. Nanji Island, a popular tourist destination in Wenzhou City of Zhejiang, witnesses a booming homestay industry that has greatly boosted the local economy. [Photo/Xinhua]

Aerial photo taken on July 29, 2020 shows a cliff hotel on Nanji Island in Wenzhou City, east China's Zhejiang Province. Nanji Island, a popular tourist destination in Wenzhou City of Zhejiang, witnesses a booming homestay industry that has greatly boosted the local economy. [Photo/Xinhua]

Photo taken on July 28, 2020 shows the view of a homestay hotel village on Nanji Island in Wenzhou City, east China's Zhejiang Province. Nanji Island, a popular tourist destination in Wenzhou City of Zhejiang, witnesses a booming homestay industry that has greatly boosted the local economy. [Photo/Xinhua]

A visitor takes photos of the sea at a cliff hotel on Nanji island in Wenzhou, east China's Zhejiang Province, July 29, 2020. Nanji Island, a popular tourist destination in Wenzhou City of Zhejiang, witnesses a booming homestay industry that has greatly boosted the local economy. [Photo/Xinhua]

Aerial photo taken on July 29, 2020 shows homestay hotels on Nanji island in Wenzhou, east China's Zhejiang Province. Nanji Island, a popular tourist destination in Wenzhou City of Zhejiang, witnesses a booming homestay industry that has greatly boosted the local economy. [Photo/Xinhua]

Aerial photo taken on July 29, 2020 shows homestay hotels on Nanji island in Wenzhou, east China's Zhejiang Province. Nanji Island, a popular tourist destination in Wenzhou City of Zhejiang, witnesses a booming homestay industry that has greatly boosted the local economy. [Photo/Xinhua]

Aerial photo taken on July 30, 2020 shows the sunrise scenery on Nanji island in Wenzhou, east China's Zhejiang Province. Nanji Island, a popular tourist destination in Wenzhou City of Zhejiang, witnesses a booming homestay industry that has greatly boosted the local economy. [Photo/Xinhua]

Aerial photo taken on July 28, 2020 shows the view of a homestay hotel village on Nanji Island in Wenzhou City, east China's Zhejiang Province. Nanji Island, a popular tourist destination in Wenzhou City of Zhejiang, witnesses a booming homestay industry that has greatly boosted the local economy. [Photo/Xinhua]