While one of the most popular puzzles of recent times is difference puzzles, difference puzzles help strengthen one's visual intelligence. A new one has been added to the difference puzzles between two photos that support brain development.

While it turns out that only those with high IQ can see the 5 differences between two girls listening to music among the stars in 13 seconds, let's see how many seconds you can see the difference between the two photos.

Here are the answers...