
Undated photo shows a criss-cross road layout at the Erlitou Relics site in Yanshi, central China's Henan Province. TO GO WITH "China's earliest multi-grid city layout discovered" (Erlitou relics site excavation team/Handout via Xinhua)
Undated photo shows a criss-cross road layout at the Erlitou Relics site in Yanshi, central China's Henan Province. TO GO WITH "China's earliest multi-grid city layout discovered" (Erlitou relics site excavation team/Handout via Xinhua)