The Zimbabwe Culture: Origins and Decline of Southern Zambezian States - Innocent Pikirayi, Joseph O. Vogel - Google Books

http://books.google.de/books?id=bcpJC1328CYC&pg=PA66&lpg=PA66&dq=Great+Zimbabwe+Geography&source=bl&ots=jnuIFbBIcO&sig=gu4wXWZvT

Offering a unique and original perspective on the rise and fall of indigenous states of southern Zambezia, The Zimbabwe Culture analyzes the long contentious history of the remains of the remarkable cyclopean masonry, ranging from mighty capitals of…