Engineer Rob Bell examines the design and construction challenges faced in building a true engineering marvel, rock lighthouses - lighthouses built on treacherous rocks and reefs out at sea that were a hazard to shipping.
TvProfil uses cookies to provide better user experience and functionality of the site. More information about cookies can be found here: privacy policy.
In order to ensure the proper functioning of these websites, we sometimes store small data files known as cookies on your devices.
Read more about the Privacy Policy and the use of cookies here: privacy policy.
You can edit and/or update or delete your cookie settings each time you visit our site. For more information, read our Cookie Policy.