Sodnomjamts Damchaabadgar squats in a shallow, rocky depression, working quietly with his hands. Inches above the rim of the pit, the wind whips across the grasslands. But in the marginal shelter of the dig site the air remains calm – essential for delicate operations.Damchaabadgar, a research fellow at the Institute of Archaeology at the Mongolian Academy of Sciences, has erected a ger, a traditional nomad’s tent, nearby, which serves as his sleeping quarters and a field station.View image in fullscreenView image in fullscreen“When we examine these gravesites, we see evidence of horse domestication dating back to the middle bronze age,”…