
Tourists visit the ancient town of Taierzhuang in east China's Shandong Province, Feb. 16, 2019. (Xinhua/Wang Kai)

Photo taken on Feb. 16, 2019 shows the night view of the ancient town of Taierzhuang in east China's Shandong Province. (Xinhua/Wang Kai)

Photo taken on Feb. 16, 2019 shows the night view of the ancient town of Taierzhuang in east China's Shandong Province. (Xinhua/Wang Kai)

Tourists visit the ancient town of Taierzhuang in east China's Shandong Province, Feb. 16, 2019. (Xinhua/Wang Kai)

Photo taken on Feb. 16, 2019 shows the night view of the ancient town of Taierzhuang in east China's Shandong Province. (Xinhua/Wang Kai)

Photo taken on Feb. 16, 2019 shows the night view of the ancient town of Taierzhuang in east China's Shandong Province. (Xinhua/Wang Kai)

Tourists visit the ancient town of Taierzhuang in east China's Shandong Province, Feb. 16, 2019. (Xinhua/Wang Kai)

Photo taken on Feb. 16, 2019 shows the night view of the ancient town of Taierzhuang in east China's Shandong Province. (Xinhua/Wang Kai)

Aerial photo taken on Feb. 16, 2019 shows the night view of the ancient town of Taierzhuang in east China's Shandong Province. (Xinhua/Wang Kai)

Photo taken on Feb. 16, 2019 shows the night view of the ancient town of Taierzhuang in east China's Shandong Province. (Xinhua/Wang Kai)

Aerial photo taken on Feb. 16, 2019 shows the night view of the ancient town of Taierzhuang in east China's Shandong Province. (Xinhua/Wang Kai)