Pope Francis talks with the President of Panama Juan Carlos Varela, right, and wife Lorena Castillo de Varela, second from right, as Polish President Andrzej Duda, second from left, and his wife Agata Kornhauser-Duda, left, stand next to them, at the end of a Holy Mass celebrated in Brzegi, near Krakow, Poland, Sunday, July 31, 2016. During the mass the pontiff announced that Panama will be the host city of the next World Youth Day. (AP Photo/Alik Keplicz)