Photo taken on May 20, 2018 shows a little golden monkey in the Shennongjia National Park in central China's Hubei Province. About 1,300 golden monkeys live in the park, which are under top-level state protection. (Xinhua/Du Huaju)

Photo taken on May 20, 2018 shows golden monkeys in the Shennongjia National Park in central China's Hubei Province. About 1,300 golden monkeys live in the park, which are under top-level state protection. (Xinhua/Du Huaju)

Photo taken on May 20, 2018 shows golden monkeys in the Shennongjia National Park in central China's Hubei Province. About 1,300 golden monkeys live in the park, which are under top-level state protection. (Xinhua/Du Huaju)

Photo taken on May 20, 2018 shows golden monkeys in the Shennongjia National Park in central China's Hubei Province. About 1,300 golden monkeys live in the park, which are under top-level state protection. (Xinhua/Du Huaju)

Photo taken on May 20, 2018 shows a golden monkey in the Shennongjia National Park in central China's Hubei Province. About 1,300 golden monkeys live in the park, which are under top-level state protection. (Xinhua/Du Huaju)

Photo taken on May 20, 2018 shows golden monkeys in the Shennongjia National Park in central China's Hubei Province. About 1,300 golden monkeys live in the park, which are under top-level state protection. (Xinhua/Du Huaju)

Photo taken on May 20, 2018 shows a golden monkey in the Shennongjia National Park in central China's Hubei Province. About 1,300 golden monkeys live in the park, which are under top-level state protection. (Xinhua/Du Huaju)

Photo taken on May 20, 2018 shows a golden monkey in the Shennongjia National Park in central China's Hubei Province. About 1,300 golden monkeys live in the park, which are under top-level state protection. (Xinhua/Du Huaju)

Photo taken on May 20, 2018 shows a little golden monkey in the Shennongjia National Park in central China's Hubei Province. About 1,300 golden monkeys live in the park, which are under top-level state protection. (Xinhua/Du Huaju)

Photo taken on May 20, 2018 shows a little golden monkey in the Shennongjia National Park in central China's Hubei Province. About 1,300 golden monkeys live in the park, which are under top-level state protection. (Xinhua/Du Huaju)