@CNN: Here’s how two astronauts aboard the International Space Station are celebrating the holidays, with a little help from Elf on a Shelf https://t.co/WvxwPaTRfV https://t.co/HD1H6IdlNa

@CNN: Here’s how two astronauts aboard the International Space Station are celebrating the holidays, with a little help from Elf on a Shelf https://t.co/WvxwPaTRfV https://t.co/HD1H6IdlNa