your mom is fat :)
Yes, Lake Titcaca is often referred to as the highest navigable lake in the world because it is situated in the Andes, with a surface elevation of 12,507 feet / 3,812 meters.
Cuzco was located in the Andes Mountains in modern-day Peru. It was the capital city of the Inca Empire and served as the political and administrative center of the empire. Cuzco was considered a sacred city and was an important cultural and religious hub for the Inca civilization.
its crossing the borders of Peru and Bolivia