People visit an outdoor exhibition of editorial cartoons and caricatures of US President Barack Obama at PAWA-254 art centre in Nairobi on July 27, 2015. The cartoon retrospective was launched by award-winning Kenyan political cartoonist Patrick Gathara on July 24, the day Obama arrived in the Kenyan capital Nairobi, making his first visit to the country of his father's birth since his election as president. AFP PHOTO / TONY KARUMBA RESTRICTED TO EDITORIAL USE (Photo credit should read TONY KARUMBA/AFP via Getty Images)
