A Yemeni man buys pitta bread, a traditional staple food in the Middle East, on a street in Sanaa, Yemen, on Oct. 16, 2021, World Food Day.Photo: Xinhua

People wait to receive food parcels during the food distribution for vulnerable families in the Lagos State, Nigeria, on Oct. 16, 2021. The event was to mark World Food Day, which falls on Oct. 16.Photo: Xinhua

A Yemeni man eats pitta bread with beans on a street in Sanaa, Yemen, on Oct. 16, 2021, World Food Day.Photo: Xinhua

People receive food parcels during the food distribution for vulnerable families in the Lagos State, Nigeria, on Oct. 16, 2021. The event was to mark World Food Day, which falls on Oct. 16.Photo: Xinhua

People wait to receive food parcels during the food distribution for vulnerable families in the Lagos State, Nigeria, on Oct. 16, 2021. The event was to mark World Food Day, which falls on Oct. 16.Photo: Xinhua

Yemeni men eat pitta bread with beans on a street in Sanaa, Yemen, on Oct. 16, 2021, World Food Day.Photo: Xinhua

A woman shows food she received during the food distribution for vulnerable families in the Lagos state, Nigeria, on Oct. 16, 2021. The event was to mark World Food Day, which falls on Oct. 16.Photo: Xinhua