Underwater Activists Cavort With Fish, Raise Awareness
Hannah Fraser uses a handmade mermaid tail to help her dive to amazing depths. This summer, she traveled with photographer and diver Cipto Aji Gunawan, who shot pictures of Fraser at a famed shipwreck site off the coast of the fishing village of Tulamben in Bali.
Watch the full story Friday on "20/20" at 10 ET. (Courtesy Cipto Aji Gunawan)