90% of snorkeling and diving tourism is concentrated on only 10% of the world’s reefs. reef-quote Sizes: 150 × 150 / 300 × 150 / 170 × 134 / 350 × 250 / 698 × 350 / 728 × 365
90% of snorkeling
and diving tourism is concentrated on only 10% of the world’s reefs.
