Brown-headed gulls rest at Qinghai Lake
Brown-headed gulls rest at Qinghai Lake, Gangcha County of northwest China's Qinghai Province, April 9, 2020. (Photo by Pan Binbin/Xinhua)
A brown-headed gull rests at Qinghai Lake, Gangcha County of northwest China's Qinghai Province, April 9, 2020. (Xinhua/Zhang Long)
Brown-headed gulls rest at Qinghai Lake, Gangcha County of northwest China's Qinghai Province, April 9, 2020. (Xinhua/Zhang Long)
A brown-headed gull rests at Qinghai Lake, Gangcha County of northwest China's Qinghai Province, April 9, 2020. (Xinhua/Zhang Long)
A brown-headed gull rests at Qinghai Lake, Gangcha County of northwest China's Qinghai Province, April 9, 2020. (Xinhua/Zhang Long)
Brown-headed gulls rest at Qinghai Lake, Gangcha County of northwest China's Qinghai Province, April 9, 2020. (Xinhua/Zhang Long)