I recognized the location. I had stumbled onto a photo taken on this street, a portrait, against the wall between the windows on the left, and I knew exactly where it was taken. So I dug into the archive and found this from 2008.
In the main plaza of Dalanzadgad’s stadium, kids run and play and celebrate Naadam, the annual summertime festival of three traditional games: Mongolian wrestling, horse racing and archery.