Pictured: Wildebeest herd running through Mara River
Thousands of wildebeest sprint across a fast-flowing river as they attempt to avoid hungry crocodiles lurking in the water. The brave animals - some of which weigh up to 43 stone - have to cross the river as part of their migration.
Every year around 1 million zebra and wildebeest migrate from Masai Mara in Kenya to Serengeti in Tanzania. But to get there they have to cross the Mara River, which is full of crocodiles who are ready to pounce. SEE OUR COPY FOR DETAILS.