Roma children play in the Cesmin Lug refugee camp in Mitrovica city, northern Kosovo. Cesmin Lug is one of several camps that the UN established in what was known to be a heavily contaminated area near a defunct lead mine. December 12, 2007.

Roma children play in the Cesmin Lug refugee camp in Mitrovica city, northern Kosovo. Cesmin Lug is one of several camps that the UN established in what was known to be a heavily contaminated area near a defunct lead mine. December 12, 2007. 

© 2007 Carsten Koall/Getty Images