Brown-headed gulls enjoy summertime at Pangong Tso Lake in China's Tibet(1/5)

Brown-headed gulls fly above the Pangong Tso Lake in southwest China's Tibet autonomous region, June 14, 2021. (Photo: China News Service/ Ran Wenjuan)

Located at the Ngari Prefecture in Tibet, the Pangong Tso Lake is at an average altitude of 4,242 meters. Its glamorous scenery and abundant natural resources attract birds of diverse species to inhabit there every year.

A group of Brown-headed gulls cruise on the Pangong Tso Lake in southwest China's Tibet autonomous region on June 14, 2021. (Photo: China News Service/ Ran Wenjuan)

A Brown-headed gull prepares to peck food fed by a visitor on June 14, 2021. (Photo: China News Service/ Ran Wenjuan)

A Brown-headed gull wanders by the Pangong Tso Lake on June 14, 2021. (Photo: China News Service/ Ran Wenjuan)

Visitors take photos of Brown-headed gulls flying over the Pangong Tso Lake on June 14, 2021. (Photo: China News Service/ Ran Wenjuan)