Pope Francis and President Barack Obama smile during a meeting at the Vatican. Obama held a nearly hour-long audience with the pope, expressing his admiration for the pontiff and inviting him to the White House. THE ASSOCIATED PRESS

Army veteran David Dickerson of Oklahoma City, Okla., left, and Air Force veteran Linda Stanley, from San Diego, Calif., left, both with Iraq and Afghanistan Veterans of America, and others place 1,892 flags representing veteran and service members who died by suicide in 2014 on the National Mall in Washington. THE ASSOCIATED PRESS

A lone hiker climbs a ridge toward the Hasenflueeli Mountain in bright sunshine above St. Antoenien, in the canton of Grisons, Switzerland. THE ASSOCIATED PRESS

A woman breaks into tears as she joins a ceremony in memory of passengers on missing Malaysia Airlines Flight MH370 in Kuala Lumpur, Malaysia. THE ASSOCIATED PRESS

Visitors leave the new Mars chocolate plant after its grand opening near Topeka, Kan. THE ASSOCIATED PRESS

Visitors walk through a new exhibition by the Museum of the History of Polish Jews, in Warsaw, Poland, documenting life in the city before the Holocaust. THE ASSOCIATED PRESS

Students protest during a strike against the financial cuts to education in Barcelona, Spain. THE ASSOCIATED PRESS

An ethnic Albanian man makes his way across a destroyed bridge on his way to the western Kosovo village of Potrc. THE ASSOCIATED PRESS

A riot police officer fires tear gas to disperse protesters during clashes outside Cairo University in Giza, Egypt. Hundreds of largely Islamist university students at several universities protested against the mass death sentences issued against more than 520 suspected supporters of President Mohammed Morsi. THE ASSOCIATED PRESS