free@rss.ponder.catMB to Smithsonian Magazine@rss.ponder.catEnglish · 2 months agoSecret Passageways Recorded in Leonardo da Vinci's Sketches Discovered Beneath a Medieval Castle in Milanwww.smithsonianmag.comexternal-linkmessage-square0fedilinkarrow-up11arrow-down10cross-posted to: archaeology@mander.xyz
arrow-up11arrow-down1external-linkSecret Passageways Recorded in Leonardo da Vinci's Sketches Discovered Beneath a Medieval Castle in Milanwww.smithsonianmag.comfree@rss.ponder.catMB to Smithsonian Magazine@rss.ponder.catEnglish · 2 months agomessage-square0fedilinkcross-posted to: archaeology@mander.xyz
