Knowtex

Researcher Jack Hogg has studied bighorn sheep for over 30 years. In that time, he has come to know the species like few other people ever will. Follow Jack on a delightful journey watch baby bighorn lambs at play, as he discusses what a changing climate might mean for the animals.

A film made on El Teide : the Spain´s highest mountain (3715m). It's one of the best places in the world to photograph the stars and is also the location of Teide Observatories, considered to be one of the world´s best observatories.

An international team of experts have mapped a huge, incredibly old location, mentioned in the notes of a Russian explorer from half a century ago, buried under hundreds of meters of ice.

Man vs Wild is a survival show starring Bear Grylls. This is not the full episode, but only a section from the episode. Bear is lost in the European Alps and shows how to survive.