The lands around the Yellow River are turning to sand.
A journalist returns to the fragile country five years after she was kidnapped. What will happen after US troops pull out next year?
The United Nations' International Narcotics Control Board recently made the announcement that Peru and Bolivia should, once and for all, outlaw the chewing of coca.
Those are fighting words in Bolivia, where coca leaves have been grown and used in their natural form for thousands of years.