The largest coral reef in the world is the great barrier reef which is located on australia.
D seems like the most logical answer
We have a range of state-of-the-art equipment for cardio-vascular workout and muscle building. We also have a 20 metre pool, and a spa. Every week, we run 10 classes ranging from relaxing yoga, and Pilates, to high-energy body pump. If you're looking for a personal training programme, we have a team of six excellent personal trainers with a combined 50 years' experience between them. After using our facilities, you can complete your experience with a meal or a drink in our members-only cafe. hope this helps :)
