This astounding documentary delves into the mysteries of the Tunguska event – one of the largest cosmic disasters in the history of civilisation. At 7.15 am, on 30th June 1908, a giant fireball, as bright the sun, exploded in the sky over Tunguska in central Siberia. Its force was equivalent to twenty million tonnes of TNT, and a thousand times greater than that of the atomic bomb dropped on Hiroshima in 1945. An estimated sixty million trees were felled over an area of over two thousand square kilometres - an area over half the size of Rhode Island. If the explosion had occurred over London or Paris, hundreds of thousands of people would have been killed.

Short film that explores the route of the Sella River, from its source in the Fuente del Infierno (León) to its mouth in the town of Ribadesella (Asturias). It pays special attention to the mysticism that surrounds it and with which it bathes the places through which it passes.

A young biologist searches for the remains of wildlife once present in the infamous Los Angeles River, attempting to show that its ecosystem is still rich and worth fighting for.

This one-hour documentary film tells the story of "Storm of the Century: The Blizzard of '49" - the worst series of storms in Wyoming's history. But for all the tragedy and loss, suffering and death, there was also hope and heroism, unselfish sacrifice and generosity. The blizzard brought out the best in people. Wyoming citizens from all walks of life cooperated together and demonstrated exceptional ingenuity in the face of dire circumstances. There were extraordinary acts of kindness, with people generously giving their time and resources. The public worked together to overcome seemingly insurmountable obstacles and ultimately won in the end.

The Filomena snowstorm in central Spain was undoubtedly exceptional. Its return period in many places exceeded half a century, particularly in Madrid. Despite accurate weather forecasts, Filomena brought roads, public transport, health centers, and other basic services in Madrid to a standstill. What went wrong in the management of this weather event?

Naturalists Charlie Russell and Maureen Enns film recently discovered grizzlies on Siberia's Kamchatka peninsula.

Our world is the home of millions of plant as well as animal species and provides several territories, each with its own geological and climatic conditions: steep mountains, deep forests, wide oceans and arctic ice deserts. The inhabitants have adapted to its different conditions and are still developing new strategies to survive. “Wonderful World 3D” not only takes a look at the interesting creatures of our planet, but also highlights cosmological circumstances, which made our world unique, diversified and above all so adorable.

Follows the story of "Grizzly Man" Timothy Treadwell and what the thirteen summers in a National Park in Alaska were like in his attempt to protect the grizzly bears. The film is full of unique images and a look into the spirit of a man who sacrificed himself for nature.

Life is an adventure - especially for a newborn animal who has so much to learn. "Growing Up Wild" takes audiences to the wildest corners of the planet to tell the tales of five courageous animals as they tackle the very first challenges of their young lives. With a little guidance from sage family members, each must figure out how and where to find food, while learning to recognize the very real threat of danger. From their first steps of exploring their world to their final steps into independence, "Growing Up Wild" reveals the triumphs and setbacks of five young lives in which instinct, parental lessons, and trial & error ultimately define their destinies. Featuring the stunning imagery and iconic storytelling that makes Disneynature's big-screen adventures an inspiring movie-going experience, "Growing Up Wild", brings home a special look at how similar and different these young lives can be.  - Written by (C) 2016 Disney Enterprises