Papua New Guinea. Apparently rubbing a plastic bottle to create vibrations is a something you can do to attract sharks.
Knowing that you can attract sharks is one thing, doing so with no plan for the sharks arrival is something else altogether.
Folks, we have said it before and we'll say it again.
No matter how many times you see commercial shark diving people interacting with sharks, never, NEVER, think to yourself, "hey that's easy I can do that".
Especially at 187 feet where in the event of a bite you would most likely suffer an embolism on your frantic race for the surface: