Incredible But True Incredible But True Human World History Makers Cities Of The World Art And Music Sporting Headlines Plant Life Fish, Amphibians, Reptiles Birds and Mammals Creepy Crawlies Marine Life Restless Earth Earth's Secrets Changing Weather Seas And Oceans Comparisons Amazing Structures Machines And Man World Of Inventions Travelling Around Mysterious Universe	Desert Snow Several mountain peaks in the Sahara region are more than 3,000 metres high. A number of them are snow-capped during part of the year.   Previous: Back Book: Incredible But True Section: Incredible But True Chapter: Changing Weather