One Million Cannibal Ants Trapped in Soviet Nuclear Bunker Have Escaped

However, after returning to the site two years later, scientists found the colony was not only still there, but that it had grown in numbers. This was despite there being no obvious food source, no heat and no light. A population estimate suggested there were hundreds of thousands, if not one million ants living in the bunker... More here.

Well, it is 2020.