This is a Muslim holy day, Ashura. It's particularly observed by Shia Muslims. It remembers the martyrdom of the Prophet's grandson.
It's often taken as a reminder of understanding.
If this freaks you out, never look up some Catholic observances in the Philippines, even Spain.
...and in Spain? Well, flagellants still flog themselves bloody during Holy Week. https://youtu.be/2vcF2aoidFY
Point is, ignorance will have you terrified of all kinds of things.
The world is much weirder, wilder and more wonderful than you might expect!
We have an awful lot of commonalities, and before you condemn someone else, have a look at your own culture.
You can follow @MikeStuchbery_.
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