I hate how when there is any picture of Soviet blocks it's always shot in autumn or winter when it's overcast. I live in an ex Soviet country and when these bad boys are maintained they can outperform new apartments, be it in functionality, amenities or price.
Mixing Vaseline with cotton and rolling it into small balls makes for surprisingly effective firestarter. Catches fire from almost everything (even flint and steel) and the burns with strong flame for like 2 minutes.
There's also a Lemmy version of boost now