I creep behind you, silent, thin,158Please respect copyright.PENANAnyVd7v1xfP
Mimicking where you have been.158Please respect copyright.PENANAs2FH12kDg6
But turn the lights off—poof, I’m gone!158Please respect copyright.PENANAN1jrPxaarI
What am I?158Please respect copyright.PENANAn0cW4tE67p
(Answer: A shadow!)158Please respect copyright.PENANArPTsJquT57