Its people’s natural habit to like things which are temporary. Rainbows are unique, different which is formed by the natural phenomenon but is very temporary. You love rainbow, let’s buy this Unicorn in case of accident my blood type is rainbow shirt, it’s a cute shirt that you should have. Rainbow is one of those beautiful naturally occurring phenomenon which doesn’t require plethora of criteria to make its presence noticed. Moreover, its beauty is magnified by its unanticipated appearance.