The latest hope for saving South Africa's rhinos from poachers is state-of-the-art United States military surveillance equipment used in the wars waged in Afghanistan and Iraq.

We can never do enough for our rhinos, who are in danger of extinction. In 2009 there was a dramatic increase in rhino poaching, with 135 animals killed. In 2010, a staggering 333 animals were brutally slaughtered for their horns.

Survival International has been speaking to Bushmen from the Central Kalahari Game Reserve as they celebrate drinking water from the Mothomelo borehole for the first time in nine years.