President Barack Obama briefed the press and responded to their questions at the conclusion of the Nuclear Security Summit on Friday, April 1, 2016 at the Walter E. Washington Convention Center in Washington D.C. Obama declared progress on nuclear nonproliferation. (Photo by Jeff Malet)
Circus Juventas (St. Paul, Minn.) performs "Wonderland" " in honor of the 150th anniversary of Lewis Carroll's "Alice's Adventures In Wonderland," at the Smithsonian Folklife Festival on July 6, 2017. It marked its 50th Anniversary of the Festival, which takes place annually on the National Mall in Washington D.C. This year's program was dedicated to the circus arts, and to exploring migration to and within the United States. (Photo by Jeff Malet)
