Extra terestrials or rituals?

On our way towards Cusco we leave the coast again and stop at the desert town of Nasca . It is known for one phenomena - the Nasca lines. Figures and lines drawn in the sand are dated to be 2000- 2500 years old . And since most of them are only visible by plane ,scientists continue to discuss how and why they are made . Many are hundreds of meters long ,with the longest meassuring 30 km and they depict birds , animals,geometric shapes and some astronout like looking man. Yet another unsolved mystery. But the general impression remains with many of the oldest cultures in the americas, our school tought knowledge that the older things are the less refined , does not hold true .Baca lagi