Here we look at 12 of the most vulnerable properties whose once-mighty past gives way to a fragile future.
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Kisimul Castle on Barra.
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This fascinating site was once home to the Picts - and then the Vikings came. The brough is accessed on foot by a causeway at low tide.
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In a stunning setting at the head of Loch Etive, Bonawe is the most complete charcoal-fuelled ironworks in Britain. Founded in 1753, it made pig iron and cannonballs for the Napoleonic Wars but is now at risk from flooding.
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Founded around 1140 by King David I to serve nearby Stirling Castle, Robert the Bruce held parliaments here with James III and Margaret of Denmark laid to rest at the abbey. It is now at risk from rising water levels.
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One of Scotland oldest castles and stronghold of Suibhne the Red and the MacDonald Lords of the Isles, Castle Sween is now on the climate change danger risk. It was built in the 1100s and occupied for about 500 years.
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Hull's Peter Skipper (left) and David Rennie batlle it out in front of 13,551 at Elland Road.
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Action from the League Cup round two, second leg clash at Elland Road as Leeds tried to overcome a 2-3 first leg deficit.
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The Whites could not find a breakthrough.
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Ian Baird heads home against Pompey at Elland Road.