I just came across this nice galery of coloured photos from Germany, taken before World War II and the destruction among German cities it caused.
Black and white photos always have this distant feel to me, wheras these photos give you the feeling of looking through a window back into time. They look like the world today, just different buildings (prettier buildings mostly) and people in funny costumes 
I wasn't sure in which section to post this, I decided myself for "off-topic" because I didn't take the pictures myself (obviously..) and maybe this way more people see them. Could be interesting for people making art assets/levels set in the (pre-) WW II period too.
Here it goes:
