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1:19
Przewalski's horses have been released in the zone, to restore the land's biodiversity.
2:13
A once thriving metropolis is now green, in an unnerving and unintentional way.
0:59
Huge herds of caribou play an integral role in shaping the Arctic landscape.
1:01
Ecologist Chris Morgan decides to head out after an agitated polar bear approaches.
2:55
Longleaf pine forests need fire to survive and rejuvenate, but the fire threatens humans.
3:01
During the dry season, water runs low and many hippos are forced to share the same pool.
7:28
Follow director Brad Bestelink as he captures the lives of hippos in detail.
2:01
Through a number of clues, wildlife filmmaker Tom Mustill is determined to find the whale
1:46
When you're this tall, getting a drink of water can be challenging.
