Workers paint the wall of the Potala Palace during an annual renovation of the ancient architectural complex in Lhasa, southwest China's Xizang Autonomous Region, Oct. 30, 2024. (Xinhua/Tenzin Nyida)

Volunteers wait in line to deliver paint during an annual renovation of the Potala Palace in Lhasa, southwest China's Xizang Autonomous Region, Oct. 29, 2024. (Xinhua/Jigme Dorje)

This photo taken on Oct. 31, 2024 shows a scene of an annual renovation of the Potala Palace in Lhasa, southwest China's Xizang Autonomous Region. (Xinhua/Jiang Fan)

Workers paint the wall of the Potala Palace during an annual renovation of the ancient architectural complex in Lhasa, southwest China's Xizang Autonomous Region, Oct. 30, 2024. (Xinhua/Tenzin Nyida)

A worker paints the wall of the Potala Palace during an annual renovation of the ancient architectural complex in Lhasa, southwest China's Xizang Autonomous Region, Oct. 30, 2024. (Xinhua/Tenzin Nyida)

Workers paint the wall of the Potala Palace during an annual renovation of the ancient architectural complex in Lhasa, southwest China's Xizang Autonomous Region, Oct. 30, 2024. (Xinhua/Jigme Dorje)

Workers paint the wall of the Potala Palace during an annual renovation of the ancient architectural complex in Lhasa, southwest China's Xizang Autonomous Region, Oct. 29, 2024. (Xinhua/Jigme Dorje)

A worker paints the wall of the Potala Palace during an annual renovation of the ancient architectural complex in Lhasa, southwest China's Xizang Autonomous Region, Oct. 30, 2024. (Xinhua/Jigme Dorje)

A worker paints the wall of the Potala Palace during an annual renovation of the ancient architectural complex in Lhasa, southwest China's Xizang Autonomous Region, Oct. 30, 2024. (Xinhua/Tenzin Nyida)

A volunteer paints the wall of the Potala Palace during an annual renovation of the ancient architectural complex in Lhasa, southwest China's Xizang Autonomous Region, Oct. 29, 2024. (Xinhua/Jigme Dorje)

Workers and volunteers prepare the paint during an annual renovation of the Potala Palace in Lhasa, southwest China's Xizang Autonomous Region, Oct. 29, 2024. (Xinhua/Jigme Dorje)

This photo taken on Oct. 31, 2024 shows a scene of an annual renovation of the Potala Palace in Lhasa, southwest China's Xizang Autonomous Region. (Xinhua/Jiang Fan)

A worker paints the wall of the Potala Palace during an annual renovation of the ancient architectural complex in Lhasa, southwest China's Xizang Autonomous Region, Oct. 30, 2024. (Xinhua/Jigme Dorje)

A worker paints the wall of the Potala Palace during an annual renovation of the ancient architectural complex in Lhasa, southwest China's Xizang Autonomous Region, Oct. 28, 2024. (Xinhua/Tenzing Nima Qadhup)

Volunteers transport paint during an annual renovation of the Potala Palace in Lhasa, southwest China's Xizang Autonomous Region, Oct. 28, 2024. (Xinhua/Tenzing Nima Qadhup)

Workers paint the wall of the Potala Palace during an annual renovation of the ancient architectural complex in Lhasa, southwest China's Xizang Autonomous Region, Oct. 30, 2024. (Xinhua/Tenzing Nima Qadhup)

Workers paint the wall of the Potala Palace during an annual renovation of the ancient architectural complex in Lhasa, southwest China's Xizang Autonomous Region, Oct. 28, 2024. (Xinhua/Tenzing Nima Qadhup)

Workers paint the wall of the Potala Palace during an annual renovation of the ancient architectural complex in Lhasa, southwest China's Xizang Autonomous Region, Oct. 30, 2024. (Xinhua/Tenzing Nima Qadhup)