A macaque reacts at Wulingyuan National Park in Zhangjiajie, central China's Hunan Province, on Feb. 24, 2019. The early spring brought warm weather to the national park and lively macaques drew a lot of tourists' attention. (Photos: Xinhua)

A macaque reacts at Wulingyuan National Park in Zhangjiajie, central China's Hunan Province, on Feb. 24, 2019. The early spring brought warm weather to the national park and lively macaques drew a lot of tourists' attention.

A macaque faces tourists' cellphones at Wulingyuan National Park in Zhangjiajie, central China's Hunan Province, on Feb. 24, 2019. The early spring brought warm weather to the national park and lively macaques drew a lot of tourists' attention.

Macaques play on a roof at Wulingyuan National Park in Zhangjiajie, central China's Hunan Province, on Feb. 24, 2019. The early spring brought warm weather to the national park and lively macaques drew a lot of tourists' attention.

A macaque is seen at Wulingyuan National Park in Zhangjiajie, central China's Hunan Province, on Feb. 24, 2019. The early spring brought warm weather to the national park and lively macaques drew a lot of tourists' attention.

A macaque is seen at Wulingyuan National Park in Zhangjiajie, central China's Hunan Province, on Feb. 24, 2019. The early spring brought warm weather to the national park and lively macaques drew a lot of tourists' attention.

Macaques are seen at Wulingyuan National Park in Zhangjiajie, central China's Hunan Province, on Feb. 24, 2019. The early spring brought warm weather to the national park and lively macaques drew a lot of tourists' attention.

Macaques are seen at Wulingyuan National Park in Zhangjiajie, central China's Hunan Province, on Feb. 24, 2019. The early spring brought warm weather to the national park and lively macaques drew a lot of tourists' attention.