Reshui graveyard site in Qinghai(1/6)

Drone photo shows Xuewei No. 1 tomb of Reshui graveyard site at Dulan County, Haixi Mongolian Tibetan Autonomous Prefecture, northwest China's Qinghai Province, March 18, 2023. (Photo: China News Service/Ma Mingyan)

Xuewei No. 1, discovered in 1982, is the most complete and high standard tomb with clear structures, providing important evidence about Tuyuhun-tubo Period (6th to 8th centuries)

Drone photo shows Xuewei No. 1 tomb of Reshui graveyard site at Dulan County, Haixi Mongolian Tibetan Autonomous Prefecture, northwest China's Qinghai Province, March 18, 2023. (Photo: China News Service/Ma Mingyan)

Drone photo shows Xuewei No. 1 tomb of Reshui graveyard site at Dulan County, Haixi Mongolian Tibetan Autonomous Prefecture, northwest China's Qinghai Province, March 18, 2023. (Photo: China News Service/Ma Mingyan)

Drone photo shows the Reshui graveyard site at Dulan County, Haixi Mongolian Tibetan Autonomous Prefecture, northwest China's Qinghai Province, March 18, 2023. (Photo: China News Service/Ma Mingyan)

Drone photo shows Xuewei No. 1 tomb of Reshui graveyard site at Dulan County, Haixi Mongolian Tibetan Autonomous Prefecture, northwest China's Qinghai Province, March 18, 2023. (Photo: China News Service/Ma Mingyan)

Drone photo shows the Reshui graveyard site at Dulan County, Haixi Mongolian Tibetan Autonomous Prefecture, northwest China's Qinghai Province, March 18, 2023. (Photo: China News Service/Ma Mingyan)