You would be understandably hesitant about getting in the water with over 100 tiger sharks furiously feeding over the carcass of a dead whale.
But the surfer Rachel Campbell and her friends were not put off in the slightest.
Rachel filmed the amazing scene on the beach near Warroora Station in northwestern Australia, then wandered a kilometre or so up the beach and went for a surf anyway.
Writing on her blog she said: 'I was collecting shells along the beach with my mum. Searching the white sand while crystal water lapped at my ankles.