From dog walkers to sunbathers, everyone in this vibrant scene looks like they're enjoy a fun-filled day at the park.

But take a closer look and you will see there is one person who is feeling under the weather.

Hidden within the action-packed picture is a woman who is suffering from stomach cramps, although she might take a while to spot.

The puzzle was released by Lizi's Gluten Free Granola to raise awareness of coeliac disease, which affects one in 100 people in the UK.

Advertisement

Stomach cramps are one of the main symptoms of gluten intolerance.

If you carefully scan the image you will finally see that the unwell woman is standing behind a bin on the right-hand side of the image.

Wearing a green top she is seen standing with her hands clasped over her stomach as if she is in pain.

It is the latest puzzle to leave the internet scratching its head.