I would wear a little more leg protection if I were those guys, it seems like the ants can crawl right into their boots
on a related note, saw this in related videos
http://www.youtube.com/watch?v=R3Mt2E1M6dU&feature=related
:O
IN THE SUPER SECRET SCIENCE LABScientist 1: "OKAY, we need a way to see an underground ant colony, any ideas?"
Scientist 2: "nope"
Scientist 3: "I got nothing"
Scientist 1: "Hmmmmm....."
Scientist 4: "i got an idea! lets just completely annihilate them all by pouring a CRAPLOAD of cement down through the holes!"
........
Scientist 1: "Ya okay, that sounds like a great idea!"
Scientist 2: "I already called the cement guys, lets do this!