A brown-headed gull catches fish at Lhalu wetland national nature reserve in Lhasa, southwest China's Tibet Autonomous Region, May 28, 2022. (Xinhua/Zhang Rufeng)
A brown-headed gull flies at Lhalu wetland national nature reserve in Lhasa, southwest China's Tibet Autonomous Region, May 28, 2022. (Xinhua/Zhang Rufeng)
Mallards are seen at Lhalu wetland national nature reserve in Lhasa, southwest China's Tibet Autonomous Region, May 27, 2022. (Xinhua/Zhang Rufeng)
A mallard flies at Lhalu wetland national nature reserve in Lhasa, southwest China's Tibet Autonomous Region, May 28, 2022. (Xinhua/Zhang Rufeng)