If you’re interested in poring over 160,000 images (like the one above) from Finland during WWII, check this link. Free to use, these images give a unique view of WWII from the frozen north. Photo courtesy SA-Kuva.
160,000 photos from Finland during WWII
Wow, that is a lot of images to wade through. AFAICT, there isn’t any way to search it as of yet. From what I’ve seen, they spent most of the war waiting for something to happen…