100 Interesting facts about Russia
Moscow's Cathedral of Christ the Saviour was blown up by Stalin during his drive to drive religion out of Soviet life and rebuilt in the 1990s.
When you have a visitor (friend or anyone else) you HAVE to offer them at least a coffee or tea with cookies, it's rude if you don't feed your guest.
When a Russian couple gets married, they usually have a big reception ceremony where everyone yells «Gor'ko» which literally means 'bitter' and then the groom has to kiss the bride.
Russians are quite friendly and open. Friends and relatives always come to visit, usually without a phone call. It's normal if a friend of yours or a relative comes over without asking.