Steeped in strange symbology, the breath-taking 'inverted tower', or initiation well, found at the heart of Sintra's Quinta da Regaleira celebrates Portugal's unique historical connection to the mysterious and enigmatic Knights Templar.
Video by Fernando Teixeira and Izabela Cardosa
To see more videos from BBC Reel, visit: https://www.bbc.com/reel/
#bbcreel #bbc #bbcnews