An aerial drone photo shows herders driving their livestock to leave the summer pasture in Dulan County, the Mongolian-Tibetan Autonomous Prefecture of Haixi, northwest China's Qinghai Province, Sept. 9, 2025. Recently, herders in Dulan County have begun their autumn-winter migration. For centuries, herders living in the Qaidam Basin have carried out seasonal migrations twice a year to maintain a balance between the vitality of the grasslands and the growth of their livestock. This year, about 1.23 million head of livestock in Dulan County are expected to take part in migrations, which are scheduled to conclude by mid-October. (Xinhua/Qi Zhiyue)

An aerial drone photo shows herders driving their livestock to leave the summer pasture in Dulan County, the Mongolian-Tibetan Autonomous Prefecture of Haixi, northwest China's Qinghai Province, Sept. 9, 2025. Recently, herders in Dulan County have begun their autumn-winter migration. For centuries, herders living in the Qaidam Basin have carried out seasonal migrations twice a year to maintain a balance between the vitality of the grasslands and the growth of their livestock. This year, about 1.23 million head of livestock in Dulan County are expected to take part in migrations, which are scheduled to conclude by mid-October. (Xinhua/Qi Zhiyue)

A herder drives his livestock to leave the summer pasture in Dulan County, the Mongolian-Tibetan Autonomous Prefecture of Haixi, northwest China's Qinghai Province, Sept. 9, 2025. Recently, herders in Dulan County have begun their autumn-winter migration. For centuries, herders living in the Qaidam Basin have carried out seasonal migrations twice a year to maintain a balance between the vitality of the grasslands and the growth of their livestock. This year, about 1.23 million head of livestock in Dulan County are expected to take part in migrations, which are scheduled to conclude by mid-October. (Xinhua/Qi Zhiyue)

A herder drives his sheep to leave the summer pasture in Dulan County, the Mongolian-Tibetan Autonomous Prefecture of Haixi, northwest China's Qinghai Province, Sept. 9, 2025. Recently, herders in Dulan County have begun their autumn-winter migration. For centuries, herders living in the Qaidam Basin have carried out seasonal migrations twice a year to maintain a balance between the vitality of the grasslands and the growth of their livestock. This year, about 1.23 million head of livestock in Dulan County are expected to take part in migrations, which are scheduled to conclude by mid-October. (Xinhua/Qi Zhiyue)

A herder drives his livestock to leave the summer pasture in Dulan County, the Mongolian-Tibetan Autonomous Prefecture of Haixi, northwest China's Qinghai Province, Sept. 9, 2025. Recently, herders in Dulan County have begun their autumn-winter migration. For centuries, herders living in the Qaidam Basin have carried out seasonal migrations twice a year to maintain a balance between the vitality of the grasslands and the growth of their livestock. This year, about 1.23 million head of livestock in Dulan County are expected to take part in migrations, which are scheduled to conclude by mid-October. (Xinhua/Qi Zhiyue)

An aerial drone photo shows herders driving their livestock to leave the summer pasture in Dulan County, the Mongolian-Tibetan Autonomous Prefecture of Haixi, northwest China's Qinghai Province, Sept. 9, 2025. Recently, herders in Dulan County have begun their autumn-winter migration. For centuries, herders living in the Qaidam Basin have carried out seasonal migrations twice a year to maintain a balance between the vitality of the grasslands and the growth of their livestock. This year, about 1.23 million head of livestock in Dulan County are expected to take part in migrations, which are scheduled to conclude by mid-October. (Xinhua/Qi Zhiyue)