The Laetoli footprints are a set of fossilized footprints discovered in Tanzania, dating back approximately 3.6 million years. They were made by early hominins, likely belonging to the species Australopithecus afarensis. The footprints provide valuable evidence of bipedalism, showing that these ancient humans walked upright on two legs. Discovered in 1976 by Mary Leakey and her team, the footprints were preserved in volcanic ash. The site contains several tracks, with the most notable being a pair of footprints that resemble modern human feet. This discovery has significantly contributed to our understanding of human evolution and the development of walking.