19 févr. 3500 av. J.-C. - Niuheliang Ritual Center
Description:
 China 
14 burial mounds on a hill with a center crucible, encircled by square of white stones 
Circular and square geometry, metal smelting technology, 
Ajouté au bande de temps:
Date:
19 févr. 3500 av. J.-C.
Maintenaint
 ~ Il y a 5529 ans