The fossilised skeleton from Decennatherium Rex, an ancient ancestor to giraffes M. Martn Perea et. al., Palaeogeogr. Palaeoclimatol. Palaeoecol. (2021)A group of large, extinct mammals, including European ancestors, of primitive horses, giraffes and sabre-toothed anteers, died at a Spanish watering hole 9 million years ago. Artificial intelligence and meticulous fossil analyses have now helped to solve the mystery.Jokingly, I joke that we are like investigators of crime scenes: When, how and where did it happen?" says David Martn Perea from the National Museum of Natural Sciences Madrid. Our only difference is that we are different