https://www.auswaertiges-amt.de/blob/2608578/810fdade376b1467f20bdb697b2acd58/china-strategie-data.pdf
https://www.ncronline.org/news/people/russias-patriarch-kirill-defends-invasion-ukraine-stoking-orthodox-tensions
https://www.crisisgroup.org/europe-central-asia/eastern-europe/ukraine/261-peace-ukraine-iii-costs-war-donbas