🇮🇳 India · Hydraulic works
Kallanai Grand Anicut
Sangam Period, Early Historic to Colonial · Tamil Chola (Sangam)
2nd century Chola granite anicut (329 m, 150 CE) on Kaveri River, oldest functional dam in world irrigating one million acres.
🇪🇬 Egypt · Hydraulic works
Aswan First Cataract North Canal
Old Kingdom to Ptolemaic · Old–New Kingdom Pharaonic, Ptolemaic Greek Egyptian
2.1-km Pharaonic granite canal linking unfinished obelisk quarry to First Cataract Nile.