the.com/ice age
the planet's recurring power nap, where ice eats continents and mammoths roam grocery-store-sized.
still ongoingEarth is technically in an ice age now
sea dropOceans fell 120 meters, exposing land bridges
triggerTiny shifts in Earth's orbit start them
human edgeHumans survived and spread during the last one
giant faunaBeavers grew to the size of bears