Walking grains

[@ZeranZeran]

Thank you for the subtitles, it is much appreciated.

[@franciscojavierramirezaren4722]

Excellent video as always, I will recommend your channel. Greetings from México!👍👍👍

[@I_am_Rathore]

Learning a lot from each new video!! Keep making the quality content.

[@DanielGregoryWilson]

Fascinating to watch the video of the walkers at very high densities! Like a crystal that flows in discrete amounts.