A young boy scavenges for re-sellable items from garbage on the streets, runs past a sign showing incumbent President Muhammadu Buhari, left, and local party official Mustapha Dankadai, right, in Kano, northern Nigeria Friday, February 15, 2019. (Photo by Ben Curtis/AP Photo)

A demonstrator sits on the coffin containing the body of a protester who was killed during previous protests in Port-au-Prince, Haiti, Monday, March 4, 2019. Protesters are angry about skyrocketing inflation and the government's failure to prosecute embezzlement from a multi-billion Venezuelan program that sent discounted oil to Haiti. (Photo by Dieu Nalio Chery/AP Photo)

Kyrgyz dancers perform in an event gathering bedouins and nomads from around the world as part of the annual King Abdulaziz Camel Festival in Rumah desert, northeast of the Saudi capital Riyadh, on March 19, 2019. (Photo by Fayez Nureldine/AFP Photo)

Pfc. Esmeralda Calderon stands and salutes the flag on the 15th green during the first round of the LPGA golf tournament at Kingsmill Resort and Golf Course in Williamsburg, Va., Thursday May 23, 2019. Pfc. Calderon, from San Antonio, Texas, is a Marine assigned to Naval Weapons Station Yorktown. (Photo by John Sudbrink/The Daily Press via AP Photo)

8-year-old Fulani boy Suleiman Yusuf drinks milk from a cow belonging to his father cattle near his family's house at Kachia Grazing Reserve, Kaduna State, Nigeria, on April 16, 2019. Kachia Grazing Reserve is an area set aside for the use of Fulani pastoralist and it is intended to be the foci of livestock development. The purpose for the grazing reserves is the settlement of nomadic pastoralists and inducement to sedentarisation through the provision of land for grazing and permanent water as way to avoid conflict. (Photo by Luis Tato/AFP Photo)

This handout picture released by Jordan's Aqaba Special Economic Zone Authority (ASEZA) on July 23, 2019 shows a Jordanian Armed Forces armored vehicle lies on the seabed of the Red Sea off the coast of the southern port city of Aqaba, part of a new underwater military museum. (Photo by Aqaba Special Economic Zone Authority via Reuters)

In this November 16, 2018, file photo, Duane Townsend, left, shoots a pheasant at Special Friday Pheasant Hunts, sponsored by Southern Tulare County Sportsman's Association, at Lake Success Recreation Area in Porterville, Calif. A Utah man who has been in a wheelchair for more than three decades has created a pheasant hunt for people like him who need help getting into the outdoors. The Daily Herald in Provo reports that Clint Robinson broke his neck after being thrown off a horse at a rodeo 32 years ago. The event called “Wheelchairs in the Wild” pairs people that have physical disabilities with hunters who help them with whatever they need. Many go in off-road vehicles. (Photo by Chieko Hara/The Porterville Recorder via AP Photo/File)

LiLou the therapy pig stands in front of a departures board at San Francisco International Airport in San Francisco, California, U.S. October 4, 2019. (Photo by Jane Ross/Reuters)