Aerial photo taken on Aug. 9, 2020 shows the sunset in Tuoji Island in Changdao, east China's Shandong Province. (Xinhua/Wang Kai)

Aerial photo taken on Aug. 9, 2020 shows the scenery of islands in Changdao, east China's Shandong Province. (Xinhua/Wang Kai)

Aerial photo taken on Aug. 9, 2020 shows the scenery of Tuoji Island in Changdao, east China's Shandong Province. (Xinhua/Wang Kai)

Aerial photo taken on Aug. 9, 2020 shows the harbor in Nanhuangcheng Island in Changdao, east China's Shandong Province. (Xinhua/Wang Kai)

Aerial photo taken on Aug. 9, 2020 shows the scenery of Nanhuangcheng Island in Changdao, east China's Shandong Province. (Xinhua/Wang Kai)

Photo taken on Aug. 9, 2020 shows the scenery of Tuoji Island in Changdao, east China's Shandong Province. (Xinhua/Wang Kai)

Photo taken on Aug. 9, 2020 shows the scenery of Tuoji Island in Changdao, east China's Shandong Province. (Xinhua/Wang Kai)

Fishing boats are seen at the harbor in Tuoji Island in Changdao, east China's Shandong Province, Aug. 10, 2020. (Xinhua/Wang Kai)

Aerial photo taken on Aug. 9, 2020 shows the kelp being dried on Nanhuangcheng Island in Changdao, east China's Shandong Province. (Xinhua/Wang Kai)