Aerial photo shows tourists visiting the lighthouse scenic area in Rizhao City, east China's Shandong Province, Jan. 2, 2021. The coastal city is visited by a great many tourists during the New Year's holiday. (Xinhua/Wang Kai)

Aerial photo shows tourists visiting the lighthouse scenic area in Rizhao City, east China's Shandong Province, Jan. 2, 2021. The coastal city is visited by a great many tourists during the New Year's holiday. (Xinhua/Wang Kai)

Aerial photo shows tourists visiting the Wanpingkou scenic spot in Rizhao City, east China's Shandong Province, Jan. 2, 2021. The coastal city is visited by a great many tourists during the New Year's holiday. (Xinhua/Wang Kai)

Tourists visit the lighthouse scenic area in Rizhao City, east China's Shandong Province, Jan. 2, 2021. The coastal city is visited by a great many tourists during the New Year's holiday. (Xinhua/Wang Kai)

A tourist visits the lighthouse scenic area in Rizhao City, east China's Shandong Province, Jan. 2, 2021. The coastal city is visited by a great many tourists during the New Year's holiday. (Xinhua/Wang Kai)