CUANDO-KUBANGO, June 6, 2016 (Xinhua) -- Photo taken on June 3, 2016 shows the landscape of Mavinga conservation area in Cuando-Cubango, Angola. Mavinga conservation area lies on the east part of Angola's Cuando-Cubango Province, being part of the Kavango-Zambezi Transfrontier Conservation Area spanning five southern African countries, Angola, Botswana, Namibia, Zambia and Zimbabwe. (Xinhua/Sun Ruibo)