Answer:
Only one color, 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.
Iron roof, glass walls, burns and burns and never falls.
Sharp and long, flag of the world. What is it?
I am round as a bowl, deep as a tub, but all the world's water couldn't fill me up.
They try to beat me, they try in vain. And when I win, I end the pain.
What language does a billboard speak?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?