I go up and down at the very same time I exist throughout life on only one side
I am very old and yet may be new . You might see me but I'll never see you.
Who am I?
I go up and down at the very same time I exist throughout life on only one side
I am very old and yet may be new . You might see me but I'll never see you.
Who am I?
Shadow? Mirror image?
I have more jokes?
Post it