 If you crave a change of environment, a day's outing to Formentera offers the bonus of a sea voyage.
Many tourists are drawn to Formentera due to the bonus of a sea voyage.
mnli hypothesis: Many tourists are drawn to Formentera due to the bonus of a sea voyage. premise:  If you crave a change of environment, a day's outing to Formentera offers the bonus of a sea voyage.