Traffic Robot

Dr. Jill Biden and Cathy Russell, U.S. Ambassador-at-Large for Global Women's Issues, are briefed by Therese Izay Kirongozi, during a tour of the Kinshasa Traffic Robot Lab, in Kinshasa, Democratic Republic of Congo, July 4, 2014. Robots are being developed to aid pedestrians in crossing congested streets. (Official White House Photo by David Lienemann)