It certainly was, but I have no idea about the history of their pottery:
www.geograph.org.uk
The grave of cave diver Oliver Statham,... © Karl and Ali
When I started caving in the mid-1970s, Oliver Statham (known as 'Bear' in the caving world) was a major force in that highly risky branch, cave diving. Many of his and others' hair-raising exploits were superbly portrayed in a book 'The Darkness Beckons', written by a contemporary cave diver...
