A third possibilty is that IVC colapsed primarily due to natural reasons (climate change, tectonic activity along the subduction zone along the Indo-Asian plate boundary) and that there was no Indo-Aryan invasion that took place.
英
美
- 印度河流域文明衰落的第三个可能是由于自然因素(气候改变,伴随着印度雅利安人进入的可建造区域减少),并没有印度雅利安人入侵的发生。