Abstract
Abstract The Piluo site, located on the southeastern edge of the Qinghai-Tibet Plateau, underwent excavation and systematic survey from April to November 2021. The work was a joint effort between the Sichuan Institute of Cultural Relics and Archaeology and the School of Archaeology and Museology at Peking University. The excavation revealed seven cultural strata that had been deposited continuously since the late Middle Pleistocene. Tens of thousands of lithics, including typical hand axes, were discovered, along with many remains of Paleolithic Age cultural activities such as residential floors created by prehistoric populations. These findings provide valuable data for investigating issues such as early human evolution in the Qinghai-Tibet Plateau, as well as the distribution, origin, and development of East Asian hand axes.
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