At John Brewer Reef the complexity and power of the reef is complemented by some amazing, breathtaking artwork. An enormous structure of stainless steel and cement sitting on the ocean floor. On first impressions you think to yourself, should this really be here. I mean what is it doing there? But as we descended into the depths of the Coral Greenhouse, the main feature of the Museum of underwater Art’s installation, emerges as this enormous underwater feature.