The race for life

They say the grass is always greener on the other side, and no one takes that more literally than the wildebeests of the Serengeti in Tanzania. Every July, roughly 2 million of these determined grazers, along with zebras and other herbivores, set off on a journey to the Maasai Mara in Kenya in search of lush pastures and fresh water.
© Ayzenstayn/Getty Images