Grotte Chauvet - Dans les pas des artistes de la Préhistoire

Leni Riefenstahl's flamboyant Nazi aesthetics shaped the public image of the 1936 Olympics. Never before had sports and politics been mixed. Through archive photos and reconstructions, we get a closer look into the historical propaganda show.

It's the most extraordinary feat of engineering in history, and one of the most iconic man-made structures on the planet - the Great Wall of China, stretching thousands of miles across barren deserts and treacherous mountains before finally plunging into the sea. But why did the Chinese go to such staggering lengths to build it, and what are the secrets that have enabled it to survive for over 2,000 years? Now, ground breaking science is re-writing its complex history and de-coding its mysteries to reveal that there is much more to the Great Wall than just bricks and mortar. Cutting edge chemistry reveals that the secret to the Great Wall's remarkable strength is a simple ingredient found in every kitchen, and a new survey also determines that its length is truly amazing, as we finally solve the enigma at the heart of the world's greatest mega-structure.

The story of the documentary The Sorrow and the Pity (1971), directed by Marcel Ophüls, which caused a scandal in a France still traumatized by the German occupation during World War II, because it shattered the myth, cultivated by the followers of President Charles de Gaulle (1890-1970), of a united France that had supposedly stood firm in the face of the ruthless invaders.

At the end of WWI, the treaty of Versailles established the conditions for peace in Europe. The aim for the victorious powers was to make Germany pay reparations, and to guarantee a future without war. Yet a decade later, the denunciation of 'Versailles' became a powerful lever for the nazis to obtain power as these reparations would mark the beginning of the humiliation of the German people, and nurture a feeling of having been bestowed a hopeless future. In the 20 years that follow the end of WWI, the issue of reparations and responsibility will effectively poison international relationship. The treaty negative impact goes well beyond WWII as the new European borders it implemented led to many conflicts during the twentieth century. This documentary shines a light on the causality between the decisions taken with the treaty of Versailles, and the ensuing events of the century.

In Morocco, new excavations on the site of Jebel Irhoud upset the generally accepted view of the dating of the appearance of man.

In the 17th century, the Netherlands experienced an unprecedented artistic explosion: painters such as Rembrandt, Vermeer and Hals were so prolific that they were able to make a living from their talent alone; so much so that, within a prosperous society, thanks to wealth from overseas colonies and financial speculation, collecting works of art became a status symbol.

Up to one million gladiators are thought to have died in arenas across the Roman Empire. And, although fascination with gladiators has been high, the details of their lives and deaths remain fragmentary. Now, with the discovery of an ancient Roman burial site containing 80 skeletons thought to be gladiator warriors, National Geographic recreates the world of the Roman arena and how six gladiators lived, fought and died.

Since the outbreak of the global corona pandemic, the number of anti-Semitic content on the Internet and social media has also been increasing. Researchers see a connection between online radicalization and anti-Semitic violence – and also attacks. "Jud Süß 2.0" documents the visual roots of this new anti-Semitism.

On October 24, 1940, Philippe Pétain met Adolf Hitler in Montoire and led the French into collaboration with the Nazis. A black page in the history of France, written by a man whom many then considered a hero: the winner of Verdun.