The link below is to an article on the Kavango Zambezi Transfrontier Conservation Area (KAZA), established in 2011 by Angola, Botswana, Namibia, Zambia and Zimbabwe. It is a huge conservation area the size of Italy.
For more visit:
http://news.nationalgeographic.com/news/travelnews/2012/03/pictures/120327-africa-parks-conservation/
Kevin's Walk on the Wild Side 