Jokes and riddles and bongclouds

We will have non rated tournaments where you can play crazzy openings and tell jokes and riddles but most importantly have FUN!!!
and we will have rated tournaments
and as much as i can i will send you guys a joke or a riddle:)
here's a riddle

Only one colour, but not one size, Stuck at the bottom, yet easily flies. Present in sun, but not in rain, Doing no harm, and feeling no pain. What is it?
If you cant figure it out then ask me https://lichess.org/@/theodorecalexico