🇦🇹 Austria · Megalith
Ziersdorf Passage Grave — Lower Austria
Late Neolithic (Lengyel to Early Baden, c.3500–3300 BCE) · Lengyel late / Epilengyel–Baden
The Ziersdorf passage grave (Lengyel/Baden transition c.3500–3300 BCE) is Austria's most northerly megalithic tomb, a 5-m limestone chamber with 1.8-m passage within a 12-m round mound on the…