Sheep ear slope site cemetery aerial photo. Peace field site aerial photo. On December 18, ChengKun railway expansion project (liangshan section) important archaeological achievements briefings held in xichang. Sichuan province institute of cultural relics, the railway construction within the red line 18 ChengKun managements after excavation, not only discovered more than 4000 years ago, sichuan southwest of the earliest neolithic remains, at the same time, except in the chengdu plain in sichuan points...