more than 12000 years ago central north america central saskatchewan southern manitoba ancient glacial ice dammed lake agassiz all the way up to the alberta border drained a meltwater flood roughly the equivalent of all the great lakes combined over a 6 to 9 month period into the surrounding...
As an architect, I've often wondered why do we monumentalize the ancient wonders of civilizations that collapsed such a long time ago? I've traveled the world studying ancient innovation, and what I've found are Indigenous technologies from living cultures that are still in use. And some of...
所有最早的文明 And all of the earliest civilizations, 城市 政hearts;府hearts; cities, governments, 都来自这个地区 come from this region. 在21世纪 NARRATOR: In the 21st Century, 暴hearts;力hearts;和破坏达到了前所未有的程度 the violence and destruction have reached an unprecedented level, 但是...