First thread makes the argument based on the electrical sockets seen on the walls of the hospital. They seem to be the type used in Poland and not Ukraine (though some in the thread are convinced it's Israel):
https://boards.4chan.org/pol/thread/367832776
Second thread makes the argument based on the selection of coins accepted by a coffee machine in the background - they appear to be the Polish set of coins rather than the Ukrainian set:
https://boards.4chan.org/pol/thread/367857500
EDIT
Archive of deleted threads:
https://archive.4plebs.org/pol/thread/367832776
https://archive.4plebs.org/pol/thread/367857500/
Thanks u/SuicideTruthbomber.
Poland here. Our house has Type C and Type E used all over. Old buildings didn't typically use ground.
It proves nothing lol