Finsbury Park sure has been living up to its name recently with a life-sized great white shark fin thrusting around in the lake, scaring the shit out of unsuspecting rowers.
Don’t panic! It was just a publicity stunt set up by the Discovery Channel to promote Shark Week, a week of programmes dedicated to the deadly predators.
The impressively real-looking polystyrene fin you see was created by BAFTA award-winner Jamie Campbell and is swimming around on a floatation device.
The blonde girl’s genuinely terrified reaction 37 seconds in is our favourite!
For more great videos, watch some stuntmen on Boris bikes jump around London’s rooftops.