8/8 The city is built to keep untamed nature out, but nature cannot be pushed away.
7/8 Human Planet meets people for whom rivers can be both a risk to life and a lifeline.
6/8 The reality of life and nature on the grasslands, the terrain which feeds the world.
5/8 Film which explores the extraordinary ways in which people survive at extreme altitudes.
4/8 A look at humans who live in the depths of the rainforest, a perilous environment.
3/8 Human Planet tells remarkable stories of people who make their homes in the Arctic.
2/8 A look at how the eternal quest for water brings huge challenges and ingenious solutions.
1/8 Documentary about how humans exploit the sea's riches with great ingenuity and bravery.