I seen estimates that are much more pessimistic. https://www.osw.waw.pl/pl/publikacje/komentarze-osw/2023-11-22/ukraina-najwieksze-pole-minowe-swiata https://w

I seen estimates that are much more pessimistic. https://www.osw.waw.pl/pl/publikacje/komentarze-osw/2023-11-22/ukraina-najwieksze-pole-minowe-swiata https://www.osw.waw.pl/pl/publikacje/komentarze-osw/2023-11-... mentions optimistic estimate of 70 years, and other statistics give estimated cleanup time of 740 years. And in months since then more mines were placed.