It's nature's way of transporting sand from one place to another.
Nothing is lost, it just changes places - until humans interfere.
And as this program clearly shows, people are not content to let nature have its way. In a futile effort, developers, home-owners, and businesses try various engineering solutions to combat the sea. The sea, however, always wins. Jetties, groynes, seawalls and beach renourishment programs are all attempts to defeat the tides. An eight million dollar project of the US Army Corps of Engineers at Folly Beach, South Carolina, was destroyed in March 1993 when the storm of the century hit with hurricane- force winds.