Human Planet (US)

Grasslands and Jungles (1x4)

Air date: Apr 17, 2011

On the grasslands, game is plentiful, the horizons are endless and large predators like lions compete for food. In a jungle, game is scarce, there are no horizons and the main predator is man. Humans living in these two very different environments face a unique set of problems — which they solve with incredible resourcefulness.