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During the rainy season, the Blue Nile tributary is more powerful than the main river. Follow it from the Ethiopian highlands to the delta.
"Planet Earth" travels around the Earth, finding where the sun always shines and where it's rarely seen. Next, they find where water is abundant and where it's scarce.
1/11 • Planet Earth • 2006 • Nature
Marine invertebrates are some of the most bizarre and beautiful animals on the planet, and thrive in the toughest parts of the oceans. Divers swim into a shoal of predatory Humboldt squid as they emerge from the ocean depths to hunt in packs. When cuttlefish gather to mate, their bodies flash in stroboscopic colours. Time-lapse photography reveals thousands of starfish gathering under the Arctic ice to devour a seal carcass. A giant octopus commits suicide for her young. A camera follows her into a cave which she walls up, then she protects her eggs until she starves. The greatest living structures on earth, coral reefs, are created by tiny animals in some of the world's most inhospitable waters.
On the eastern coast of Africa lies a subtropical realm of staggering beauty and diversity--a mangrove forest where saltwater meets fresh and a variety of secretive forest dwellers work feverishly to survive. Take a thrilling journey into this rarest of ecosystems, one that few get to witness.
1/8 • Waterworld Africa • 2017 • Nature
Pouring out of Lake Victoria, the Nile bursts into life, growing vast with sandy banks and mighty rapids. Under the scorching sun, elephant herds leave the savannah to drink and bathe in the river.
Explores how animals sense time and how some can alter their metabolism for survival.