East African Community heads of state pose for a group photo with officials and guests during the 19th Ordinary East African Community Heads of State Summit in Kampala, capital of Uganda, on Feb. 23, 2018. East African countries and Africa at large should integrate in order to boost their bargaining power on the global market, Ugandan President Yoweri Museveni said here Friday. (Xinhua/Joseph Kiggundu)