Archaeologists in France have uncovered a mysterious carved stone block at a prehistoric hunting site. The stone was found during excavations at Angouleme in southwestern France. A number of engravings have been carved into the sandstone, including horses, deer and an aurochs, an extinct species of wild cattle. “The most visible engraving, that of a headless horse turned to the right, occupies half the surface,” according to a translated statement from French national archeological research organization Inrap. “The rump and the saddle follow the curves of the natural edge of the stone. Very fine incisions may suggest the coat”. The...