Answer:
I am the red tongue of the earth, that buries cities.
Sitting down you have it, Standing up you don't.
What you become during a workout?
Sometimes it's silver but also gold. Printed on paper it's a treasure to hold. What is it?
What can you hold in your left hand but not in your right hand?
I touch the Earth, I touch the sky, but if I touch you, you’ll likely die. What am I?