4 ms·
There's the possibility that the humans in that area at that time were migratory, i.e. only visited it in the summer.
by oska 7y ago
There's the possibility that the humans in that area at that time were migratory, i.e. only visited it in the summer.
- stevenjgarner 7y agoOr that the local Mongolian climate was more mild at the time.