Pope Francis waves at crowds on November 26, 2015 as he arrived at the St Mary's school in the Kenyan capital of Nairobi.Pope Francis landed in Kenya's capital Nairobi on November 25 on the first leg of a landmark trip to Africa, with huge crowds, choirs and dancers waiting to greet him. The 78-year-old pontiff, the third pope to visit the continent, is also scheduled to visit Uganda and the troubled Central African Republic (CAR) on a six-day trip. AFP PHOTO / TONY KARUMBA