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(Image: CEN)

Young women are demonstrating their femininity – by exposing their boobs for everyone to see.

They are posting photos of an impressive range of objects nestled under their breasts on social media.

The strange idea seems to be "real women" are buxom – and you need impressive cleavage to to hold the object in place.

But they are displaying some serious under boob in the process.

(Image: IG) (Image: IG)

(Image: IG)

Those with the most "talented" breasts can grasp pens, pencils, makeup brushes, bottles of lotion – even flowers.

The revealing snaps are usually accompanied by the caption: "pass the challenge to prove you’re a true woman".

(Image: IG) (Image: IG)

The trend is sweeping across China – a nation not renowned for its large assets.

It follows hot on the heels of the "Behind the Back Breast Grab Challenge", "Hold a Coke With Your Boobs" and "Carry Coins in Your Collarbones Challenge".

We're certainly looking forward to the next Chinese Olympics.

The first male "moob" challenger is yet to appear.