Concrete Cast of Ant Nest Reveals Huge Underground Metropolis
Though above the ground an anthill can be fairly unassuming, the hidden underground network is quite remarkable. Through a process that took a few months, researchers made a cast of an anthill by pumping it full of concrete, allowing it to cure and dry, then excavating it out to explore the intricacies of the ant civilization.
It is absolutely incredible how massive this anthill turned out to be. Check it out here: