https://commons.wikimedia.org/wiki/User:%D0%9C%D0%B8%D0%BA%D0%BE%D0%BB%D0%B0_%D0%92%D0%B0%D1%81%D0%B8%D0%BB%D0%B5%D1%87%D0%BA%D0%BE determination method: SHA-1...
