Nearly 2.5 kilometers of pre-Columbian roads have typical traces of Inca civilization. They are on the opposite side of the more than 60 monuments classified as UNESCO Heritage. A team of archaeologists discovered about 2.4 kilometers of pre-Columbian roads hidden under the dense tropical forest near Machu Picchu, Peru. The roads, according to a statement from the University of Warsaw, lead to platforms and sockets next to the so-called Mandor W…