Rare Przewalski's horses were recently sighted at the Yumen Pass in Dunhuang city, Gansu province. [Photo provided to chinadaily.com.cn]

Rare Przewalski's horses were recently sighted at the Yumen Pass scenic area in Dunhuang, Gansu province.

Yumen Pass, also known as the Jade Gate, was an important station on the ancient Silk Road. Its cultural heritage and natural environment restored in recent years.