What Would Happen If Humans Suddenly Disappeared?

What would happen if every human on Earth suddenly disappeared tomorrow? From power grids shutting down and subway tunnels flooding to wildlife reclaiming our cities, this video explores how Earth could transform in the days, years, centuries, and millions of years after humanity disappears. How long would our cities survive? What traces of civilization would remain? And could the planet eventually erase almost everything we built? Welcome to Faceless Tube X — exploring fascinating questions, strange possibilities, science, technology, history, mysteries, and the unknown. Subscribe for more videos that make you wonder.