Why Wine Glass Stem is so long?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

What country can make you shiver?

He loves to dance, twist and prance, he shakes his tail, and as a way he sails, wingless he flies into the sky. What is he?

What has hands, but can’t clap?

Who are the happiest people in IPL match?

Can you start the fire using two pieces of wood?

What kind of tree can you carry in your hand?

Outside a massage parlour, there is a board that reads
"I only massage those who do not massage themselves."

Reading the above statement, does the masseur massage himself?

What can jump higher than a building?