Secret Megalopolis of Ants Uncovered - Truly a Wonder of the World!

How do subterranean cities of ants look like? 10 tons of cement were required to fill the wholes and tunnels. Then it took weeks to uncover the secret megalopolis of the ants. With the help of mechanical diggers, brazilian scientists removed tons of earth. At last, the scientists begin to see the structure of the city state.