Double-Ditch Causeway (400×12 m)
A structure at Acre — Capixaba Geoglyphs Phase II at Capixaba West (Western Acre) — v2 · 🇧🇷 Brazil
The structure
About Double-Ditch Causeway (400×12 m)
400×12 m double-ditch causeway linking circle to square with U-mound 4 m