Early morning smog hangs in the air as dawn breaks over Cape Town, August 3,
2003. A team of South African climatologists have begun a programme of
research to establish the exact cause of the city's seasonal "brown haze",
believed to be particularly bad this year, and monitor health effects.
Picture taken August 3, 2003. NO RIGHTS CLEARANCES OR PERMISSIONS ARE REQUIRED FOR THIS IMAGE REUTERS/Mike Hutchings

MH/CRB