Patients undergoing a rehabilitation program draw during a therapy session at the Sopi Jikko centre in Dakar June 6, 2014. Sopi Jikko, located on the outskirts of Senegal's seaside capital Dakar, is a rehabilitation centre for people with mental health and drug addiction problems. Picture taken June 6, 2014. REUTERS/Sylvain Cherkaoui (SENEGAL - Tags: HEALTH SOCIETY)