Crumbs. Personally I don't think UNESCO's opposition to the tunnel in its current form is pathetic political posturing. It has a lot of substance actually.
I agree, as Liverpool is presumably just learning.
Anyway, if anyone doesn't want to read about it in indefensible anti-government publications, here's the same story reported in the Daily Mail:
https://www.dailymail.co.uk/news/article-9821257/Stonehenge-follow-Liverpool-losing-UNESCO-world-heritage-site-A303-plan-goes-ahead.html