Look at this one-way underwater trash bag
I subscribe to this channel but I can't say I've seen one of the videos lately until today. And in viewing this video of this diver recovering a lost drone underwater, I was more interested in the one-way underwater trash bag he was carrying to collect random trash while on his hunt. Pretty neat that he's doing TWO good things here.
Sharks Attack Submarine - Blue Planet II Behind The Scenes
This is one of the best underwater shark videos I've ever seen. I want to go to there.