They say that seeing is believing, but sometimes that can be hard to accept. When you’re faced with a good optical illusion, there’s all kinds of different ways you could respond. You might rub your eyes in disbelief as a still image begins to move, engage in a heated Twitter debate over what colour a dress is or even punch the air triumphantly when you spot a hidden object.
One thing’s for certain, everyone loves a good illusion. While it might not have been what the inventors of the internet initially though their creation would become, it’s become a breeding ground for optical illusions and the debates they ignite. Social media has also helped breathe a second life into some of the all-time classics as they capture the imaginations of new generations.
Here are 5 of our favourites that have done the rounds recently: