portugal, sintra, quinta da regaleira, initiation well (poco iniciatico), stone gallery with stairs

portugal sintra quinta regaleira initiation poco iniciatico stone gallery stairs art arch temple wall infrastructure rock iron sculpture ruins tourism clothing person tree tunnel bridge waterway formation transport 2021 ancient antique architecture background building capital castle church city closeup construction culture defense design dirty environment estate europe famous fort fortification fortress heritage history islam landmark lisbon medieval monument moss mountain pattern street tower town travel view ancient antique architecture background building capital castle church city closeup construction culture defense design dirty environment estate europe famous fort fortification fortress gallery heritage history initiation islam landmark lisbon medieval monument moss mountain pattern portugal quinta regaleira rock ruins sculpture sintra stone street tourism tower town travel view wall