🇮🇳 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.
🇮🇳 India · Hydraulic works
Kallanai South Sluice — Grand Anicut Vennar Distributary Head
Chola Early historic to Medieval (100 – 1030 CE) · Tamil Chola hydraulic statecraft
South Vennar regulator of 2nd-c Chola anicut with Rajendra I inscriptions 1012 CE.
🇹🇭 Thailand · Ancient city
Phu Khao Thong
Late Iron Age port (c.400 BCE–200 CE, bead industry 200 BCE) · Indian Ocean bead-trading port companion to Khao Sam Kaeo
Western Kra Isthmus bead port (400 BCE–200 CE) — Tamil-Brahmi sherds and rouletted ware at Ranong.