Cari Gratisan

This episode deals with savanna, steppe, tundra, prairie, and looks at the importance and resilience of grasses in such treeless ecosystems. Their vast expanses contain the largest concentration of animal life. In Outer Mongolia, a herd of Mongolian gazelle flee a bush fire and has to move on to new Continue reading ...

The sixth programme looks at the regions of the Arctic and Antarctica. The latter contains 90% of the world’s ice, and stays largely deserted until the spring, when visitors arrive to harvest its waters. Snow petrels take their place on nunataks and begin to court, but are preyed on by South P Continue reading ...

This instalment features the harsh environment that covers one third of the Earth: the deserts. Due to Siberian winds, Mongolia’s Gobi Desert reaches extremes of temperature like no other, ranging from –40°C to +50°C. It is home to the rare Bactrian camel, which eats snow to maintain its f Continue reading ...

This episode explores “planet earth’s final frontier”: the world of caves. At a depth of 400 metres, Mexico’s Cave of Swallows is Earth’s deepest pit cave freefall drop, allowing entry by skydivers. Its volume could contain New York City’s Empire State Building. A Continue reading ...

Broadcast 19 March 2006, this programme describes the course taken by rivers and some of the species that take advantage of such a habitat. Only 3% of the world’s water is fresh, yet all life on land is ultimately dependent on it. Its journey begins as a stream in the mountains, illustrated by Continue reading ...

The second instalment focuses on the mountains. All the main ranges are explored with extensive aerial photography. Ethiopia’s Erta Ale is the longest continually erupting volcano — for over 100 years. On the nearby highlands, geladas (the only primate whose diet is almost entirely of grass) Continue reading ...