3 ms·
I imagine the enormous metal structures we put up are the longest standing evidence, simply because metal is normally found unrefined in earth's crust
by tsol 3y ago
I imagine the enormous metal structures we put up are the longest standing evidence, simply because metal is normally found unrefined in earth's crust
- haltist 3y agoMetal corrodes. Ever seen an old car sitting in the sun and rain for a long time? It turns to rust and then disappears.