Stick your tongue out. Now lick your elbow. Do it!

You can't, can you. Admit it. Your pathetic tongue is nowhere near its mid-arm joint target.

As you weap tears of frustration, how you must long to be Gerkary Bracho.

The 20-year-old from Florida is a contortionist - but it isn't her body-bending skills that enable her to perform this astonishing feat.

She has an extraordinarily long tongue and can lick not only her elbow, but also her eye. And the tip of her nose – and yes, up either nostril.