The Old St Andrew's Cross.

https://edition.cnn.com/2021/01/07/us/capitol-confederate-flag-fort-stevens/index.html

It's certainly a history to it.

http://www.encyclopediaofukraine.com/display.asp?linkpath=pages%5CS%5CA%5CSaintAndrew.htm

As for the guy in the: "Auschwitz" sweatshirt.

It's not really my place to say.

But I've a feeling Israel may applaud you.

https://youtube.com/watch?v=UlR4Z4AZ1ho (Down Down, Status Quo, Audio, Real Music Entertainment).

And they might not be the only ones.

https://news.sky.com/story/new-zealand-teenager-dies-in-suspected-shark-attack-12182123