Groups of rare roe deer appear in China's Qinghai

The undated photo shows roe deer under second-class protection in China stroll in the Qilian Mountains National Park in northwest China's Qinghai Province. (Zhou Yuanfeng/provided to China News Service)

The undated photo shows roe deer under second-class protection in China stroll in the Qilian Mountains National Park in northwest China's Qinghai Province. (Zhou Yuanfeng/provided to China News Service)

The undated photo shows roe deer under second-class protection in China stroll in the Qilian Mountains National Park in northwest China's Qinghai Province. (Zhou Yuanfeng/provided to China News Service)

The undated photo shows roe deer under second-class protection in China stroll in the Qilian Mountains National Park in northwest China's Qinghai Province. (Zhou Yuanfeng/provided to China News Service)