So when the sun is behind you and the rain in front of you, you see a rainbow of colours reflected back from inside the raindrops. As well as the lovely colours, rainbows also have a unique shape.

We've got awesome viewer photos of a few rainbows, which are always a welcome sight. If you have any beautiful photos you'd like to share with us, please submit them through the Share tab.

The start of the Miami Open men's final between Novak Djokovic and unseeded 19-year-old Jakub Mensuk on Sunday at Hard Rock ...