The Amazonian landscape altered significantly soon thereafter when a violent episode of tectonic activity began pushing up the northeastern Andes.
The Amazonian landscape altered significantly soon thereafter when a violent episode of tectonic activity began pushing up the northeastern Andes.
之后，剧烈的地壳构造活动，推挤出安地斯山的东北边，于是亚马逊河流域的地貌开始大幅改变。