A trio of huge shark fins have been spotted in London's River Thames, but it's not what you might think.<br /><br />The fins, which are large floats, have been released into London's iconic river to celebrate the upcoming launch of The Meg 2: The Trench.<br /><br />The three massive, hand-sculpted fins and back sections were crafted in the style of the film's iconic Megalodon sharks.<br /><br />The biggest fin in the river is standing 4.5m above water, with its body sections spanning over 20 metres long.<br /><br />The sequel film, starring Jason Statham, is set to hit cinemas on August 4.
