Grutas da Cal are man made caves in Santa Maria island caused by the extraction of calcareous rock Azores islands Portugal

Size: 5120px × 3413px
Location: Santa Maria island, Azores, Portugal
Photo credit: © Gaspar Avila / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: azores, cal, calcareous, caves, da, digging, extraction, grutas, holes, hollowing, islands, limestone, man, man-, maria, portugal, quarry, rock, santa, whitewash