Peking Man: Peking Man, also known as Sinanthropus pekinensis, was a species of archaic human that inhabited the Zhoukoudian site in China during the Middle Pleistocene, approximately 780,000 to 680,000 years ago.
Pleistocene Epoch: The Pleistocene Epoch, also known as the Ice Age, was a geological epoch that lasted from about 2.6 million to 11,700 years ago, characterized by periodic glacial advances and retreats.
Hominid: Hominids are a family of primates that includes modern humans and their extinct ancestors, characterized by bipedalism, larger brains, and the use of tools.