Klaus Steindl

Paleolithic: a mysterious and enigmatic period. Hard to grasp from today’s point of view. How did people live then, how did their ...

The Mona Lisa by the Italian Renaissance artist Leonardo da Vinci is the most famous painting in the world. What is the secret behind the ...

It is the world’s most mysterious manuscript. A book, written by an unknown author, illustrated with pictures that are as bizarre as they ...