הצטרף ל-Nostr
2026-08-21 15:46:22 UTC

Fascinating on Nostr: A man in 1835 was digging a duck pond and accidentally uncovered a 70-foot tunnel ...

A man in 1835 was digging a duck pond and accidentally uncovered a 70-foot tunnel made of 2,000 sq ft of mosaic made from 4.6 million shells (mussels, cockles, whelks, limpets, oysters, scallops).

It's the Shell Grotto in Margate, Kent, England.