ReportMINAM Drone Mapping San Martín Montañe Terrace Walls 2019MINAM-DGOTA · 2019 · MINAM0Why it matters: Drone 80 m wall photoPlacesThe place this coversCapana Petra — Andean Megalithic Wall (San Martín, Peru)🇵🇪 Peru · San Martín, Rioja Province, Caynarachi–Capana cordillera, 1100 m terrace · Megalith