If you're looking for something exciting to watch, this isn't it. But it's a really well made film with some beautiful scenery, in addition to an interesting topic (to me) to begin with.
Watching the start of that with the 2 chicks the bad acting and low quality camera work I couldn't help but get that Deja Vu feeling. I was waiting the whole time for the plumber to show up to check on those "pipes".
Documentary of the Sea Wolves in Vietnam. https://video.kpbs.org/video/scramble-the-seawolves-yacuzi/