This stitched photo taken on April 5, 2024 shows scenery of the Yamzbog Yumco Lake in Southwest China's Xizang autonomous region. [Xinhua/Jiang Fan]

Tourists feed brown-headed gulls by the Yamzbog Yumco Lake in Southwest China's Xizang autonomous region, April 5, 2024. [Xinhua/Jiang Fan]

A tourist poses for a photo with the Yamzbog Yumco Lake in the background in Southwest China's Xizang autonomous region, April 5, 2024. [Xinhua/Jiang Fan]

Tourists feed brown-headed gulls by the Yamzbog Yumco Lake in Southwest China's Xizang autonomous region, April 5, 2024. [Xinhua/Zhang Rufeng]

A tourist feeds brown-headed gulls by the Yamzbog Yumco Lake in Southwest China's Xizang autonomous region, April 5, 2024. [Xinhua/Jiang Fan]

A tourist rides a horse by the Yamzbog Yumco Lake in Southwest China's Xizang autonomous region, April 5, 2024. [Xinhua/Zhang Rufeng]