A policeman patrols near a sleeping crack user in the part of Sao Paulo's Luz neighborhood known as Cracolandia (Crackland), March 27, 2010. After 30 years of heavy drug trafficking and abuse in the district, Sao Paulo City Hall is implementing a program to clean up Crackland but the problem is only worsening. Picture taken March 27, 2010. REUTERS/Fernando Donasci (BRAZIL - Tags: POLITICS CRIME LAW SOCIETY)