Aerial photo taken on Oct. 22, 2019 shows tourists visiting the Honghaitan Red Beach scenic area in Panjin, northeast China's Liaoning Province. (Xinhua/Long Lei)

Aerial photo taken on Oct. 22, 2019 shows a view of the Honghaitan Red Beach scenic area in Panjin, northeast China's Liaoning Province. (Xinhua/Long Lei)

Aerial photo taken on Oct. 22, 2019 shows a view of the Honghaitan Red Beach scenic area in Panjin, northeast China's Liaoning Province. (Xinhua/Long Lei)

A bird hovers over the Honghaitan Red Beach scenic area in Panjin, northeast China's Liaoning Province, Oct. 22, 2019. (Xinhua/Long Lei)