One of the last great natural spaces on the planet, the Amazon rainforest embodies the green lungs of the earth. It has long been suspected that the thicket of the jungle is not just home to exotic animals and fascinating plants: from the sparkling Eldorado to the mystical City Z, the jungle is said to hide some of the most enigmatic secrets of mankind. What is often dismissed as a fictitious fairy tale was recently given new fuel: Because the experts in the Amazon rainforest actually discovered something that not even the missing explorer Percy Fawcett would have dared to dream of! You want to know what the background of this archaeological sensation is all about? Then watch to the end!