I creep behind you, silent, thin,162Please respect copyright.PENANAhZs6MEAnbA
Mimicking where you have been.162Please respect copyright.PENANAkUg0JSmLCc
But turn the lights off—poof, I’m gone!162Please respect copyright.PENANAcCXgHhSr2Y
What am I?162Please respect copyright.PENANA78ahQ17I4Y
(Answer: A shadow!)162Please respect copyright.PENANAFCiv9L6Mux