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

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

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