Alaskan river floor - GIF

Alaskan river floor.

<video controls autoplay loop>
<source src="https://diqn32j8nouaz.cloudfront.net/tooltalk_17251432276269.mp4" type="video/mp4">
Your browser does not support the video tag.
</video>


Previously:

Building a traditional Korean floor - GIF
Cleaning shop floor with magnets - GIF
Epoxy coating garage floor - GIF
Floor coating spiked shoes - GIF
Laying a terrazzo floor - GIF
Slippery fire station floor - GIF
Wood floor water extractor - GIF

I have four dogs that would go crazy trying to dig the fish out of the floor.

Some residents of Juneau have all their floors looking like that...