: "Actually this photo is from a culvert at a Dow plant in Southern Texas."
: This is what was posted along with the picture. Looks to me like someone raided a viridis den site and threw them into the garbage can.
It looks like that corrugated tube the use to drain water along road or under driveways. It looks like they all just came out for some sun and someone had a great picture opportunity (I hope). L8r ryan