That symbol was appropriated by the Nazis, but before that it had a much more positive meaning for a number of belief systems and religions like Hinduism and Buddhism. I'm guessing the author wasn't using it as a supremacist symbol because that would be...
:((((
Similar to what was said above there is a date for an event but the characters are too faded to make out anything other than that maybe someone can translate it but it could be the backdrop of a religious group ...at least that's what I think
yes it's like a buddhist house/school
In chp 9 page 26, is that not the Swastika on that building? Just curious...