Throwing rocks and other objects into the Grand Canyon is illegal, but sometimes curiosity overrides common sense. A pair of hikers were spotted recently throwing rocks over the rim, and when questioned, said they "wanted to hear the sound they made going down
Instagram user randomcairns realized the people likely meant no harm and simply hadn't considered the danger. After shooting a quick video (which you can see below), she and took a moment to speak with them, explaining that the stones could easily hit people or animals below. The visitors seemed to take her words on board, apologized, and moved on (hopefully not to a more discreet spot for stone-throwing).
