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- 01The Initiation Well descends 30 meters underground via a spiral staircase of 9 floors — one for each Masonic circle.
- 02Owner António Augusto Carvalho Monteiro spent his entire Brazilian-inheritance fortune building the estate between 1904 and 1910.
- 03A network of tunnels connects the well to grottoes, a lake, and a chapel built directly over a burial vault.