About: http://webisa.webdatacommons.org/210069264

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	At its mouth there is a retaining wall, as at the cave of Sintza, which holds back the earth and forms a level terrace 10.50 m long and 1-2 m wide in front of the entrance.
http://www.w3.org/ns/prov#wasQuotedFrom	otenet.gr