@NorthernInvader and why do you have to dig through so much of it to get “down” to the layer the Romans walked on?
I’ll tell you why. Fucking pollen!
(No. I’m not scratching my eyes out. Much.)
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@MookyTroubadour many tons of space dust land on earth every day. Combine that with desert dust carried by strong wins (much Saharan dust ends up in South America) and ongoing erosion of mountains, all combine to cause a build up of dirt over centuries and millenia. More reasons here https://ask.metafilter.com/237694/How-do-things-get-buried-in-dirt-over-thousands-of-years
@NorthernInvader well sure- if you want to be that specific. In my case, something is in bloom that’s messing with me, so pollen is the designated villain. :)