“10,000 years from now we will still have to wear masks to visit Chernobyl. “
https://www.youtube.com/watch?v=9DWnjcSo9J0 Chernobyl - What It’s Like Today
https://www.google.com/search?q=how+long+will+chernobyl+be+dangerous&source=hp&ei=zkcCYbSmK4uctgXBz61I&iflsig=AINFCbYAAAAAYQJV3ngdnaD8g3a5IvU8a8NCHeNik5mt&oq=how+long+will+chernobyl&gs_lcp=Cgdnd3Mtd2l6EAEYAjICCAAyAggAMgIIADICCAAyAggAMgIIADICCAAyAggAMgIIADICCAA6DgguELEDEMcBEKMCEJMCOggIABCxAxCDAToFCAAQsQM6CwguELEDEMcBEKMCOggILhCxAxCDAToCCC46CAguEMcBEK8BOgQIABADOgUIABDJA1DdGVjpQ2CbYGgBcAB4AIABzwGIAfkVkgEGMy4xOS4xmAEAoAEBqgEHZ3dzLXdperABAA&sclient=gws-wiz