Answer:
What has two spines and a lot of ribs, and carries much but never moves?
Two people are born at the same moment, but they don't have the same birthdays. How could this be?
Look into my face and I'm everybody. Scratch my back and I'm nobody.
I'm tall in the morning and short in the noon. I disappear at night but I will be back soon.
A precious stone, as clear as diamond. Seek it out while the sun's near the horizon. Though you can walk on water with its power, try to keep it, and it'll vanish in an hour.
What covers its face with its hands, speaks no language, yet most known what it's saying?