Modern Marvels

Machu Picchu (10x51)

Ημερομηνία προβολής: Σεπ 24, 2003

The engineering marvel Machu Picchu sits perched on a ridge in the Peruvian Andes. Originally built by the Incas, this magnificent structure remains a mystery. Was it an observatory? Pleasure retreat? Fortress? This program presents the most current theories.