Australia: The Land Where Time Began

A biography of the Australian continent 

Brough of Birsay, Orkey Islands, Scotland

Links to photos

Birsay is an island connected by a causeway, exposed only at low tide, to the north west coast of the island of Mainland, the main island of the Orkneys. Birsay is notable for the remains of Pictish and later Viking settlements.

http://www.britainexpress.com/scotland/Orkney/Brough-of-Birsay.htm