No, those are not stills from a new M. Night Shyamalan/Marky Mark collaboration. The current drought (which slowly took shape beginning in 2010 for parts of New Mexico, Texas, Oklahoma, and Colorado) has given birth to mountains of orphan tumbleweed. Normally, herds of cattle would be used to get rid of the tumbling weed, but this isn't "normally" -- because of the drought, ranchers don't have enough water to keep enough animals alive, so the only way humanity can fight back against this formidable enemy is with trucks. As in, trucks to push the tumbleweeds elsewhere.
The truck went inside the mountain and came out the other side carrying skeletons.
You might be thinking, "Well, why don't they just burn them?" They do, sometimes, but then they run the risk of accidentally combining a mountain of burning tumbleweed with a dust devil and ending up with this abomination from Satan's laughing ass crack itself:
Luckily, the heat quickly dried the pee on their pants.