I only skipped thru the video but is that even a sewer? Looks more like a camera in someones digestive system looking at ulcers or some other ailment
Looks like the thing Buckaroo Banzai pulled off the bottom of his car after he drove through the mountain.
It looks like eggs to me. Oh my god! It's alien eggs!!!! AHHHH! Wait. Wouldn't the better question be " Why was someone chillin' in a sewer in order find and tape this shit?"