A sophisticated underground ant city once populated by millions of insects has been discovered by a team of scientists. The abandoned megalopolis, which features vast subterranean highways, paths and gardens, was found buried beneath the earth in Brazil. It is thought to have housed one of the biggest ant colonies in the world. But no one is sure when the leafcutter species left and what caused their demise.
Read More: Sophisticated Underground ANT City-Labyrinth of highways ‘Rivals the Great Wall of China