CAIRO, EGYPT - JULY 12: Coptics Zabaleen during the garbage collection in a street of Manshiyat naser on July 12, 2011 in Cairo,Egypt. Manshiyat Naser or Garbage City is the world's largest garbage district, a settlement of 70,000 Coptic Christians situated at the base of Mokattam Hill on the outskirts of Cairo. Its economy revolves around the collection and recycling of the city's garbage. (Photo by Marco BULGARELLI/Gamma-Rapho via Getty Images)
