(CNN) — In the bottom left-hand corner of Africa, just before the landscape gives way to the arid terrain of Namibia, sits a green and temperate region that could be one of the most beautiful on the continent – and yet few people beyond this part of the world know about it.

Lubango, in southwestern Angola’s Huila province, is the country’s second biggest city by population, is rich in history and culture and is located on a steep-sided plateau that gives rise to spectacular landscapes.