Viewers with sharp eyes may notice that something is amiss with this dark image.

Only one percent of people, according to a Tiktoker who posted the apparent optical illusion, will be able to figure out what’s going on.

In this picture, a crowd of individuals is seen waiting for a bus in the rain.

Until you look a little closer, everything appears to be typical.

“Only one percent of people can find what’s wrong with this image, it’s not easy,” HecticNick says.

If you haven’t spotted it yourself, the TikTok users will undoubtedly guide you in the right direction.

“There’s water in the places people are standing with a umbrella,” commented one user.

In fact, it’s the woman in the red dress who stands out.

“The woman with the red dress doesn’t have an umbrella but she is not wet,” another user says.

That’s correct — she appears to be carrying an umbrella, but it belongs to someone else behind her.

The video has been viewed more than 27,000 times on TikTok, with hundreds of critical comments.

More than 182,000 people have liked it.

Others, on the other hand, are less convinced it’s all about the red gown.

“For me it’s that there’s no road” said one user.

@hecticnick Only one percent of people can find it! #illusions #fyp ♬ Nobody – Mitski