A vendor displays an orange in Sanaa, Yemen, on Dec. 22, 2019. A large number of oranges are on the market for sale as harvest season comes. (Photo by Mohammed Mohammed/Xinhua)

A vendor arranges oranges for sale in Sanaa, Yemen, on Dec. 22, 2019. A large number of oranges are on the market for sale as harvest season comes. (Photo by Mohammed Mohammed/Xinhua)

A vendor weighs oranges for a customer in Sanaa, Yemen, on Dec. 22, 2019. A large number of oranges are on the market for sale as harvest season comes. (Photo by Mohammed Mohammed/Xinhua)