Alpine Meltdown: Just a few degrees more...

The climate is changing, global temperature is rising. The impacts are already apparent, especially in the mountains but also in the lowlands. The permafrost zone is shifting higher up and the masses of snow melt whooshing from the glaciers to the valleys are already increasing incessantly. Rivers are going to rise up to powerful floods and dwindle down to extremely low waters the next second.

The Voynich Code: The World's Most Mysterious Manuscript

It is the world's most mysterious manuscript. A book, written by an unknown author, illustrated with pictures that are as bizarre as they are puzzling - and written in a language that even the best cryptographers have been unable to decode.

Hong Kong’s Secret City

Not many people know that there is in the center of Hong Kong, a city of 50,000 inhabitants that escape authority, a city which holds no law and no order, the ‘walled city’. Never before has a television crew been allowed to enter this labyrinth. Christa Wesemann, an Austrian documentary filmmaker, has achieved this for the first time. The recordings from the ‘walled city’ are breathtaking pictures, as it has never seen the world. The history and daily flow in Walled City are ruled by the ‘triad’, a Chinese crime syndicate.

Stonehenge - Das Steinkreis-Rätsel

Billion Dollar Fish

The River Danube is home to a fish that grows larger than the Great White Shark. Although it leads a secretive life, the Beluga Sturgeon – the King of the Danube – produces the most prized food in the whole world. For over 200 million years, the 8-metre long fish had no enemies, and yet today it is on the verge of extinction. Evolution did not prepare the fish for pollution, river regulation and overfishing. Beluga caviar is traded for up to 20,000 dollars per kilogramme. Ironically, the high price of this precious product could save the ani...