http://i2.cdn.turner.com/cnnnext/dam/assets/141028070129-03-kilauea-volcano-horizontal-large-gallery.jpg
Lily and Roxy had went on vacation to the island of Hualalai in Hawaii. While walking up what Lily thought was a hill, she discovered a hole at the top of it. Confused as to what it was, the girls asked a park ranger nearby to further explain it to them.
