For Ibiza the breakthrough came in the 1960s, with the introduction of wide-bodied jets and a significant surge in tourism.
Tourism fell horribly in the 1960s in Ibiza.
mnli hypothesis: Tourism fell horribly in the 1960s in Ibiza. premise: For Ibiza the breakthrough came in the 1960s, with the introduction of wide-bodied jets and a significant surge in tourism.