Sudan's Vice President, Ali Osman Taha, (left) and the then SPLA Chairman John Garang (right) exchange the peace agreement documents at Nyayo Stadium Nairobi, Kenya on January 9, 2005. Looking on are Sudan President Hassan Omar Al-Bashir (second left) and Kenya President Mwai Kibaki (second right). Sudan's vice president and the country's main rebel leader signed a comprehensive peace agreement to end Africa's longest-running conflict concluding an eight-year process to stop a civil war that cost more than 2 million lives since 1983. Photo/FILE