Sailing on the Duke of York, one night we anchored near the island of Alimathaa, one of the 2000 islands of the Maldivian archipelago. The reason was to check an amazing story that I had heard from other divers: underneath the pier Alimathaa, at night, there are sharks, stingrays and a lot of other fish that is impossible follow everything that happens around. I wanted to dive to see in person and actually, I witnessed a truly unique spectacle