People work at a tannery in the old city of Marrakech, Morocco, on Nov. 29, 2020. Marrakech is known for its leather goods. (Photo: Xinhua)

A man works at a tannery in the old city of Marrakech, Morocco, on Nov. 29, 2020. Marrakech is known for its leather goods.(Photo: Xinhua)

People work at a tannery in the old city of Marrakech, Morocco, on Nov. 29, 2020. Marrakech is known for its leather goods. (Photo: Xinhua)

A man works at a tannery in the old city of Marrakech, Morocco, on Nov. 29, 2020. Marrakech is known for its leather goods. (Photo: Xinhua)