Simo on his way up to the roof a 'hijacked building' (slang that decribes an illegally occupied squat) where he lives in in Hillbrow. The building has neither electricity nor running water, and refuse is piled up outside the walls. Simo says he has been living here for 16 years. Hillbrow, in downtown Johannesburg, is the city's most notorious neighbourhood. It is overcrowded, ridden with illegal squats and suffers from high levels of crime much of which is related the thriving illicit drug trade.