The six giant heads were lowered onto the seabed of the Bristol Channel – which has the 2nd highest tidal range in the world! They weigh 5,000 tonnes each and were installed using floating cranes (the size of football pitches). The heads enable the flow of water in and out of the power station.
The German-Dutch-US Unenco group also have a UK based industrial complex:
Retired, living in the Scottish Borders after living most of my life in cities in England. I can now indulge my interest in all aspects of living close to nature in a wild landscape. I live on what was once the Iapetus Ocean which took millions of years to travel from the Southern Hemisphere to here in the Northern Hemisphere. That set me thinking and questioning and seeking answers.
In 1998 I co-wrote Millennium Countdown (US)/ A Business Guide to the Year 2000 (UK) see https://www.abebooks.co.uk/products/isbn/9780749427917
borderslynn 
You must be logged in to post a comment.