I found this at: Not Cot Who found it at: Wooster Collective Who found the original photos at artist, Florentijn Hofman's site. Unfortunately the ducks must have found out since his account has been suspended. There were more pictures there too.
I found mention of this site at Wooster Collective; a site that chronicles street art here, there, and everywhere. In this case here, there and everywhere is underwater. Sort of reminds me of the old submarine ride at Disneyland.
This sculpture garden is located in Grenada in the West Indies and has it's very own website. Be sure to check out the gallery: [Link]