I have way too many interests and they include: Photography, My 2014 Mustang, Military History, Strategy Games, Computer Devices, Science Fiction, Movie Buff, Bad Science Fiction Movies of all types, Military Strategy Game Collector, Nikon Film Camera Collector, WWI 1/144 scale Plane collector, Wings of Glory and more... :). Nikon NPS Member. Professional Photographer.
That is an amazing display, thanks for sharing that, Herman.
For long lasting sand sculptures you need quarry sand. You can look up there formula, there is a mix that makes it bond and weather better. Regardless, they don't last forever in the elements (unless they are perhaps treated with a special coating of some sort).