Tourists visit the Sayram Lake scenic area in Bortala Mongolian Autonomous Prefecture, northwest China's Xinjiang Uygur Autonomous Region, Sept. 11, 2025. (Xinhua/Li He)

Tourists visit the Sayram Lake scenic area in Bortala Mongolian Autonomous Prefecture, northwest China's Xinjiang Uygur Autonomous Region, Sept. 11, 2025. (Xinhua/Li He)

An aerial drone photo taken on Sept. 11, 2025 shows tourists visiting the Sayram Lake scenic area in Bortala Mongolian Autonomous Prefecture, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Li He)

An aerial drone photo taken on Sept. 11, 2025 shows tourists visiting the Sayram Lake scenic area in Bortala Mongolian Autonomous Prefecture, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Li He)

An aerial drone photo taken on Sept. 11, 2025 shows tourists visiting the Sayram Lake scenic area in Bortala Mongolian Autonomous Prefecture, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Li He)

Tourists visit the Sayram Lake scenic area in Bortala Mongolian Autonomous Prefecture, northwest China's Xinjiang Uygur Autonomous Region, Sept. 11, 2025. (Xinhua/Li He)

An aerial drone photo taken on Sept. 11, 2025 shows the scenery of Sayram Lake in Bortala Mongolian Autonomous Prefecture, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Li He)

An aerial drone photo taken on Sept. 11, 2025 shows tourists visiting the Sayram Lake scenic area in Bortala Mongolian Autonomous Prefecture, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Li He)

An aerial drone photo taken on Sept. 11, 2025 shows tourists visiting the Sayram Lake scenic area in Bortala Mongolian Autonomous Prefecture, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Li He)