one day, nature finally revolted against humanity and started to regain it's land lost to many cities and villages. Livestock going rampant, trees and vines portruding from construction, one by one each and every city is getting turned into a literal rainforest and buildings are collapsing from sheer size of trees next to them and being pressed by the roots of them, too, and it wont be long until the Chrysler Building, the Pentagon, Burj Khalifa, etc all get claimed by the ecosystem, and you are in the middle of it, watching as various flora and fauna infiltrate architecture and tree roots and vines slithering through the ground and around you, greenery slowly not only enveloping Earth but you too.