This $600k defense against sea level rise could have lasted 3 years. It was destroyed in less than a day

CNN’s Bill Weir speaks to homeowners on a disappearing beach in Salisbury, Massachusetts, where a protective sand dune was destroyed during a strong winter storm at high tide.CNN’s Bill Weir speaks to homeowners on a disappearing beach in Salisbury, Massachusetts, where a protective sand dune was destroyed during a strong winter storm at high tide.