One advantage of living on what amounts to a long string of volcanoes is the proliferation of onsen, or hot springs.
One perk of residing near volcanoes is the plentiful supply of hot springs.
mnli hypothesis: One perk of residing near volcanoes is the plentiful supply of hot springs. premise: One advantage of living on what amounts to a long string of volcanoes is the proliferation of onsen, or hot springs.