East African Heads of State from left Presidents Pierre Nkurunziza (Burundi), Paul Kagame (Rwanda), Abeid Karume (Zanzibar), Yoweri Museveni (Uganda) Mwai Kibaki (Kenya) and Jakaya Kikwete (Tanzania) are shown a model plan of the EAC Headquarter building shortly before unveiling the foundation stone plaque at the site of the regional body's headquarters in Arusha, Tanzania.