Hungry giant predators, treacherous mud and a tired, probably cranky toddler – more than 10,000 years ago, that was the stuff of every parent’s nightmare. Footprints found at White Sands National Park in New Mexico, from more than 11,000 years...
Hungry giant predators, treacherous mud and a tired, probably cranky toddler – more than 10,000 years ago, that was the stuff of every parent’s nightmare. Footprints found at White Sands National Park in New Mexico, from more than 11,000 years...