Pope Francis visits the Namugongo Martyrs' Shrine in Namugongo, Uganda, on November 28, 2015. Pope Francis arrived in Uganda on November 27 on the second leg of a landmark trip to Africa which has seen him railing against corruption and poverty, with huge crowds celebrating his arrival. AFP PHOTO / POOL / ANDREW MEDICHINI / AFP / POOL / ANDREW MEDICHINI (Photo credit should read ANDREW MEDICHINI/AFP/Getty Images)

Pope Francis visits the Namugongo Martyrs' Shrine in Namugongo, Uganda, on November 28, 2015. Pope Francis arrived in Uganda on November 27 on the second leg of a landmark trip to Africa which has seen him railing against corruption and poverty, with huge crowds celebrating his arrival. AFP PHOTO / POOL / ANDREW MEDICHINI / AFP / POOL / ANDREW MEDICHINI        (Photo credit should read ANDREW MEDICHINI/AFP/Getty Images)