This video is probably every person's worst nightmare: a great white shark breaching the side of a diver's cage while he was still inside.
"What might appear to be an aggressive great white shark trying to attack the cage, this is not the case," he explained.
"These awesome sharks are biting at large chunks of tuna tied to a rope. When a great white shark lunges and bites something, it is temporarily blinded."
Image: http://mashable.com