Cultural relics restoration in SW China's Gansu

Photo taken on Feb. 20, 2023 shows professional technicians conducting metal cultural relics restoration work at Dunhuang Museum in southwest China's Gansu Province. Over recent years, the museum has been putting in great effort to restore cultural relics, including items of colored pottery, painted bricks, metal relics.(Zhang Xiaoliang/Guangming Picture)

Photo taken on Feb. 20, 2023 shows professional technicians conducting metal cultural relics restoration work at Dunhuang Museum in southwest China's Gansu Province. Over recent years, the museum has been putting in great effort to restore cultural relics, including items of colored pottery, painted bricks, metal relics.(Zhang Xiaoliang/Guangming Picture)

Photo taken on Feb. 20, 2023 shows professional technicians conducting metal cultural relics restoration work at Dunhuang Museum in southwest China's Gansu Province. Over recent years, the museum has been putting in great effort to restore cultural relics, including items of colored pottery, painted bricks, metal relics.(Zhang Xiaoliang/Guangming Picture)