Pilgrims confess before the opening ceremony of the World Youth Days (WYD) by Pope Francis at Blonia meadow on July 28, 2016 in Krakow World Youth Day draws hundreds of thousands of young Roman Catholics from across the globe, with Pope Francis attending from Wednesday the 27th. The pontiff will meet Holocaust survivors at the Auschwitz-Birkenau WWII-era Nazi German death camp on the 29th (to 31) / AFP PHOTO / BARTOSZ SIEDLIK