Top view of the spiral stairs inside the towers of masonic Initiation Well at Quinta da Regaleira, Sintra, Portugal, Europe

Photographer at the top of the spiral stairs inside the towers of Initiation Well at Quinta da Regaleira, Sintra, Portugal, Europe

View of spiral staircases at the Initiation Well, purportedly used for ceremonial purposes by Freemasons in the 19th century, at Quinta da Regaleira, Sintra, Portugal, Europe

View of spiral staircases at the Initiation Well, purportedly used for ceremonial purposes by Freemasons in the 19th century, at Quinta da Regaleira, Sintra, Portugal, Europe