Helene Spring is one of Denmark 's most famous springs .
Legend has one that anyone whose illness has not responded successfully to other forms of treatment must come to the spring on 23 June ( Sankt Hans Eve or Midsummer 's Eve ) .
Helene Spring is one of Denmark 's most famous springs , and legend has it that anyone whose illness has not responded successfully to other forms of treatment must come to the spring on 23 June ( Sankt Hans Eve or Midsummer 's Eve ) .