Video: http://www.youtube.com/watch?v=m2LeNBY_5gk Info: The tower is made of solid granite, layer upon layer of precut pieces which fit like a jig-saw puzzle, until the top is reached, where the Fresnel Lens is housed and installed. The light reach up to 20 miles! No wave will knock 'em down! We're viewing 150 year old French (English -"Bishop's Rock",Scottish-the "Skerry Light",US -"Minot's Light") technology. The shape of a lighthouse and the rock it is built on is designed/chosen to disperse wind and water rather than taking the brunt of the impact. I imagine they would have to worry more about interior flooding in this case! Surfers: Video: http://www.youtube.com/watch?v=EExlkN6_zFM&NR=1