3 ms·
The Americas have the likes of Watson Brake and Sechin Bajo, dated to roughly the same time as that, give or take a couple of centuries. * https://news.ycombin
by JdeBP 8y ago
The Americas have the likes of Watson Brake and Sechin Bajo, dated to roughly the same time as that, give or take a couple of centuries.
* https://news.ycombinator.com/item?id=17678841 https://news.ycombinator.com/item?id=17678841