“You see, but you do not observe,” the great literary detective Sherlock Holmes once said. Being observant means watching everything around you (people, situations, events, etc.) and then thinking critically about what you’ve just seen.

Observation skills are very important in our everyday lives as they enhance our ability to interact with others and to respond to the world in an appropriate manner.

People with a high IQ have been dared to solve a puzzle showing a man fishing by the river. In the picture below, you can see a fashionista chilling by the river and hunting fish for his family dinner. Somewhere in the vintage graphic, however, there is also a big mistake.

You’ll have to pay attention to the tiniest details to notice the error. While the man and the tree he’s sitting under are clearly visible, we can ensure that the error is significantly smaller.