London is such a cosmopolitan city that on a simple stroll you will often see many fantastic, unusual and unforgettable people.

But have you ever seen anyone with 5kg of necklaces around their neck? Or skin on a senior citizen which is 93% covered in tattoos? How about someone eating hot-dogs on a street corner at a rate of 11 per minute?

They sound improbable, but all of these legitimate world records show the limits to which the human body will stretch.

For more examples of how people have tested their boundaries in extreme fashion, check out our infographic above, courtesy of Ready Steady Store.