Remains of a horseshoe shaped building on the beach at Baile Sear on North Uist in the Outer Hebrides. (Pic: Scape)

A mould found at Baile Sear thought to have been used to make a bronze pin and small ingot

Stone structures at Baile Sear on North Uist

A Scape-led team at the site of salt pans near Brora. The pans were metal trays filled with sea water and heated from below to produce salt

Stone work for the salt pans is just visible through the sand and grass near Brora