The symbolism of the motifs carved onto the slabs is the subject of much discussion and speculation.
Many feature swords or claymores, some alone, others with surrounding designs of twining or interlaced foliage.
[citation needed] Kilmartin Glen is the richest prehistoric landscape in Scotland.
It also has what is believed to be the only 'linear cemetery' in the country, a series of chambered cairns (burial mounds) laid out in a straight line right down the bottom of the glen.
[2] The reason for such a concentration of these ancient monuments in one small area of the Scottish Highlands is unknown.