hoshino hot springs in karuizawa,japan

1914 acid acidic acidity alike ancient area asia asian autumn bath connection current deep developed discovered flow flowing foot gozanoyu gunma have health hoshino hoshinoya house japan japanese karuizawa karuizawajapan kusatsu landmark locals mineralrich natural nature offers onsen open oriental outside public quiet relax resort rural ryokan sightseeing since source spring springs steam steamy stones stream style sulfur sulphur then tojipeople tourist tradition traditional travel trip vapor visitors water with wood wooden