Chinese scientists scan ancient walls via cosmic ray particl

LANZHOU, June 1 (Xinhua) -- A research team recently completed a physical check on the renowned, over 600-year-old Xian ancient city walls in northwest China Sh

Related Keywords

Shaanxi , China , Lanzhou , Gansu , Egypt , Giza , Al Jizah , Chinese , Liu Zhiyi , Lanzhou University , , Maiji Mountain Grottoes , Mogao Grottoes , Great Pyramid , Khufu Pyramid , Cultural , Lay Particles , Check , Detection , Calls , System , Research Team ,