Here’s what you’ll learn when you read this story:Fossilized footprints in Saudi Arabia show human traffic on the cusp of a subsequent ice age. These human prints were surrounded by animals but not hunted animals, indicating humans were just thirsty. A uniquely preserved prehistoric mudhole could hold the oldest-ever human footprints on the Arabian Peninsula, scientists say . The seven footprints, found amidst a clutter of hundreds of prehistoric animal prints, are estimated to be 115,000 years old. In this case, scientists found very little of the other factors that accompany prehistoric human travel, like knife or tool marks on animal bones indicating hunting.