The system is made up of three smaller branches—one near the Church of San Cristóbal, another to an area near the fortress, and a third to an area known as Callispuquio. The Peru Archaeologists ...
An ancient anonymous text explains: "It is a very deep cave made by the Inca kings, which crosses the whole city and has its entrance at the fortress of Sacsayhuamán, and descends from the high ...