Among the most enlightening accounts was one written by an anonymous Spanish Jesuit in 1594, who explained that the main tunnel ran beneath the bishop’s houses behind Cusco Cathedral.

the sky-high La Catedral is one of Cusco's finest architectural displays. Constructed in the 1550s with stones stolen from Sacsayhuamán, the baroque cathedral features opulent ceilings and gold ...

A 1594 text by an anonymous Spanish Jesuit describes a tunnel that begins at the Temple of the Sun, runs beneath the bishop housing behind Cusco Cathedral and ends at Sacsayhuamán, reports IFL ...