YouTube Cory “Mr. Safety” Williams has a slightly popular vlog channel with over 100,000 subscribers. But this new video has exploded online with over 2 million views. While exploring the woods with his girlfriend in Anchorage, Alaska, he decided to stop for a rock skipping detour at the lake. But when he threw the rock on the frozen lake he created an awesome, space-like sound. His reaction is priceless. Skip to 3:30 if you’re impatient.