"The Painted Dessert" is in Arizona, near the east end of The Grand Canyon.
One similarity between the Mayans and ancient Egypt is that both have developed a script without any outside influence, and that their script (the Hieroglyphs and the Maya script) are a combination of a syllabic and logographic script - some words have their own symbols, but there are also symbols for single sounds
On my computer the map won't load but i'm guessing A. people cannot farm in Africa.
(hope this helps :C