🇫🇷 France · Hydraulic works
Pont du Gard — Roman Aqueduct Bridge
Roman Imperial (Augustan-Claudian, mid-1st c. CE) · Roman Gallia Narbonensis (Nemausus)
Augustinian 48.8-m 3-tier bridge 50-km Nîmes aqueduct 35,000 m³/d, 6-tonne dry stone.
🇪🇸 Spain · Hydraulic works
Les Ferreres Aqueduct (Devil's Bridge, Pont del Diable — Tarraco Aqueduct)
Roman Augustan (late Republic to early Principate) · Roman Tarraconensis (Tarraco Colonia)
217-m Augustan double-tier arcade (20 BCE–20 CE) 27 m high — Tarraco's Francolí aqueduct masterpiece.