Chertovy Vorota Cave
Chertovy Vorota Cave, also known as Devil's Gate Cave is a Neolithic archaeological site located in the Sikhote-Alin mountains, about 12 km (7 mi) from the town of Dalnegorsk in Primorsky Krai, Russia. The karst cave is located on a limestone cliff and lies about 35 m (115 ft) above the Krivaya River, a tributary of the Rudnaya River, below. Chertovy Vorota provides secure evidence for some of the oldest surviving textiles found in the archaeological record.
Cave data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).