Surely sometime in your life, you have spent a beautiful day at the beach, where you have probably built some sand castles. Perhaps you have even tried to create something more complicated ...

making sand sculptures or "sand castles," as many of our children love to do on dunes and beaches today, is an activity that ...

Building sand castles, most people will tell you, is a summer pastime for children at the beach. But not for Paul Hoggard, Remy Geerts, Craig Mutch and Calixto Molina, who have turned sand castles ...