A fogou or fougou is an underground, dry-stone structure found on Iron Age or Romano-British-defended settlement sites in Cornwall. The original purpose of a fogou is uncertain today. Colloquially cal
A view inside the fogou at Carn Euny in 1868.
A carved stone ball (petrosphere) found at Jock's Thorn farm in Kilmaurs, East Ayrshire, Scotland.
Inside the main chamber of Halliggye Fogou, Trelowarren, Cornwall
An erdstall is a type of tunnel found across Europe. They are of unknown origin but are believed to date from the Middle Ages. A variety of purposes have been theorized, including that they were used
Fogou
…Kiva – Room used by Puebloans for religious rituals and political meetings Erdstall – Type of tunnel found across Europe Castle Bloody – Prehistoric feature on the island of Shapinsay, Scotland…
Entry to the Ratgöbluckn erdstall at Perg, Austria–its passages are high enough for tourists to access (electric lights since 2002).
Vertical passage (slip hole)
Sitting recess at the end of the tunnel