Cruachan the hollow mountain is an underground world like no other. Hidden away 1 km deep below Argyll and Bute’s highest mountain Ben Cruachan, is an operational pumped storage hydro power station. Learn all about this feat of Scottish engineering and human endeavour in the video below.
Find out more on their website: https://www.visitcruachan.co.uk/
This video was broadcast live on November 2022 as part of Glasgow Science Centre’s ‘Curious About’ festival. Click here to visit the Curious About website.

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