Why all Olympic curling stones come from a Scottish island
For more than 170 years, a small Ayrshire business has been crafting curling stones by hand using rock found on an island off Scotland’s west coast.
Kays Scotland is the only company in the world accredited to produce the stones used for Olympic and World Championships matches.
The granite - thought to be some of the strongest and densest ever discovered - is harvested from the island of Ailsa Craig roughly once every decade.
Video by Morgan Spence
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