What the Heck Is in That Philadelphia Sinkhole? [VIDEO]What the Heck Is in That Philadelphia Sinkhole? [VIDEO]I've seen sinkholes before, but this looks extra terrestrial.....Tom MorganTom Morgan
![What the Heck Is in That Philadelphia Sinkhole? [VIDEO]](http://townsquare.media/site/398/files/2013/06/Northern%25252BLiberties%25252BFlourescent%25252BSinkhole2.jpg?w=980&q=75)
