I creep behind you, silent, thin,56Please respect copyright.PENANAL3bG2OoYUJ
Mimicking where you have been.56Please respect copyright.PENANAp8XVo0FWc8
But turn the lights off—poof, I’m gone!56Please respect copyright.PENANAECNGDiFXCK
What am I?56Please respect copyright.PENANA9C8F7Rathp
(Answer: A shadow!)56Please respect copyright.PENANALP6CcMNaW9