Exchange of knowledge and expertise, bartering and wooing. Kirkhellaren Cave on Sanna in Træna is one of Norway’s oldest meeting places, having first been used about 10,000 years ago.So far west out at sea that witty people claim that the gulls here speak English, it is midsummer on the Arctic Circle and we are on the island of Sanna in Træna Municipality.A 10 to 15-minute walk from the quay we find Kirkhellaren, a very famous cave where, throughout repeated ice ages, the frost and sea have carved out a cathedral in a crack of the mountainside...The first archaeological excavations in...