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Errol Barnett continues his African journey into the oldest desert on the face of the earth: the vast, dry Namib desert where diamond miners once settled.

IN FOCUSDavid McKenzie presents and reports from Chad on how the country¹s economy has been badly hit by the conflict in Libya.FACE TIMEAli Abderahman Hagar runs the Graduate School of Finance in Chad. The former finance minister tells CNN about the impact of Libya's fighting on Chad's economy and the state of the country's oil industry.

Tracking animals in the South Africa bush, two men formed a friendship despite having different backgrounds. Their journey together has taken them from tracking leopards in the Londolozi game reserve to traveling the world as international spokesmen for South Africa's bushveld. This week on African Voices, we follow the trail of Alex van den Heever and Renias Mhlongo.

There are only 800 mountain gorillas left in the wild, found across two habitats in central Africa.CNN's Errol Barnett visited the Karisoke Research Center, in Rwanda, where he got up close with this elusive species

A look at the controversial efforts of some major energy companies to begin drilling for natural gas in Karoo, South Africa. The drilling technique, known as fracking, has caused protests across the world, but companies are trying to defend their plans.

We meet NBA player Luc-Richard Mbah, a Cameroonian native who plays for the Milwaukee Bucks, and also happens to be an African prince.

From scenic streets to a rising skyline, Maputo, Mozambique has transformed from its colonial past and the brutal civil war that followed.

"Playing for Change" is a multimedia movement that began as an idea to inspire and bring peace to the world through music, spreading the message that playing music can change lives.

Inside the Marange diamond fields in Zimbabwe, where production is clouded in controversy - from questions about who is benefiting financially from diamond sales, to allegations of human rights abuses perpetrated by government forces.

Robyn Curnow reports on how China has become the world's second largest consumer of diamonds. Also she questions how can Africa's mines keep up with Asia's growing demand. And Philip Barton, CEO of Debeers Consolidated Mines talks about why the Oppenheimer family have decided to sell their stake in Debeers, the future of the Kimberley Process and why diamonds are like no other rocks in the world.