PHOTOS OF THE GREAT MIGRATION FROM SERENGETI NATIONAL PARK, TANZANIA

It is rated as one of the world's most spectacular natural events - every year over a million wildebeest, zebra and antelope migrate clockwise around the Serengeti/Masai Mara ecosystem, taking in two different countries and making time for birthing, courting and mating on the way. Well, for those who do not get pulled down by ravenous predators, that is.