People are seen at the Old City of Sanaa, Yemen, Aug. 17, 2019. Yemen's tourism sector has been affected significantly by more than four years of war and blockade. (Photo by Mohammed Mohammed/Xinhua)

A Yemeni child performs the traditional dance near a historical building in the Old City of Sanaa, Yemen, Aug. 17, 2019. Yemen's tourism sector has been affected significantly by more than four years of war and blockade. (Photo by Mohammed Mohammed/Xinhua)

A copper utensil vendor sits inside his shop as he waits for customers in the Old City of Sanaa, Yemen, Aug. 17, 2019. Yemen's tourism sector has been affected significantly by more than four years of war and blockade. (Photo by Mohammed Mohammed/Xinhua)

A Yemeni biker drives at the Old City of Sanaa, Yemen, Aug. 17, 2019. Yemen's tourism sector has been affected significantly by more than four years of war and blockade. (Photo by Mohammed Mohammed/Xinhua)

A man walks by copper utensils displayed for sale in the Old City of Sanaa, Yemen, Aug. 17, 2019. Yemen's tourism sector has been affected significantly by more than four years of war and blockade. (Photo by Mohammed Mohammed/Xinhua)