The last episode of the landmark series, Scotland from the Sky, explores how aerial photography has revealed Scotland's hidden ancient past and uncovered secrets buried right beneath our feet. From anAberdeenshire field where the very concept of time emerged, through the ghostly outline of a lost ornamental garden to the discovery of hundreds of pizza ovens that once fed Rome's mighty legions, presenter James Crawford reveals how our ancestors have written their story on Scotland's landscape.

Jamie Crawford combines old aerial photographs with present-day drone and helicopter footage to uncover an amazing array of tales, from Shetland to Stranraer.

In this edition, Jamie Crawford uses aerial images to discover how the Scots have lived off the land over the centuries.