Newsday - Archaeologists unearth 500,000-year-old wooden structure in Zambia - 大象传媒 Sounds
Newsday - Archaeologists unearth 500,000-year-old wooden structure in Zambia - 大象传媒 Sounds
Archaeologists unearth 500,000-year-old wooden structure in Zambia
Ancient logs found in Africa could provide evidence of structure-making by early humans
