It could be any building that has been designed to withstand any of several destructive scenarios, for example a tsunami. Supposedly Japan has at least some of those structures. Apparently a new city hall in Cannon Beach, Oregon, was planned as a vertical evacuation structure, but lack of funds killed the project.
Do you know of any such structures along any coast?
http://prospect.org/csnc/blogs/tapped_ar...rtical_evacuati
Do you know of any such structures along any coast?
http://prospect.org/csnc/blogs/tapped_ar...rtical_evacuati