Turkish President Recep Tayyip Erdogan (C-L) and Pope Francis (C-R) review an honour guard during a welcoming ceremony at the presidential palace in Ankara on November 28, 2014. Pope Francis arrived in Turkey for his first visit to the overwhelmingly Muslim but officially secular state, in a challenging trip aimed at building bridges with Islam and supporting the embattled Christian minorities of the Middle East. AFP PHOTO/ADEM ALTAN