Each week we solve one of London’s great mysteries (as submitted by you, the reader). This week Olivier from Mile End asks: ‘Recently I’ve heard reports of geese mysteriously disappearing while swimming on the River Lea. We’ve all heard of the Loch Ness Monster – is there a River Lea Monster?’
Any clue? Post your answers below. Have a London mystery you want solved? Comment below or tweet us at @TimeOutLondon.