A girl wears a mask as she walks at a market in Sanaa, Yemen, on June 8, 2020. (Photo by Mohammed Mohammed/Xinhua)

A worker disinfects a shopper's hands before he enters the supermarket in Sanaa, Yemen, on June 8, 2020. (Photo by Mohammed Mohammed/Xinhua)

A man walks by sanitizers displayed for sale at a supermarket in Sanaa, Yemen, on June 8, 2020. (Photo by Mohammed Mohammed/Xinhua)