The castle is still under construction. It began as a sandcastle. According to the "architect/artist," it has evolved over 30 years through many stages of rebuilding and experimentation into what it stands today. It will certainly take another 10 years to complete. He says all the materials are locally sourced. He indicated that he finds a lot of them on the beaches of the floodplains. A life's work that is also sometimes destroyed by both the rising waters at high tide and by vandals. He has therefore pronounced a curse on them.
You who harm this castle, you shall weep for your deed. Do not laugh in contempt at this curse. Let your path be dark, the end is lost. You shall burn in the Devil's Evil.
During our conversation with him, the architect/artist came across as a remarkable eccentric with a great sense of humor. A remarkable person, so to speak.