50 years ago, evidence showed that an extinct human ancestor walked upright
https://www.sciencenews.org/article/human-ancestor-fossil-upright-walk-50-years-ago

#Paleontology
#Paleoanthropology
#Prehistoric
#Ancestor
#Australopithecus
#SahelanthropusTchadensis
#HipJoint
#SignsOfUprightWalking