🇮🇳 India · Hydraulic works
Dholavira Rock-Cut Reservoirs – Rann of Kutch
Early to Mature Harappan to Late Harappan · Harappan (Sindhu–Sarasvati)
16 Harappan rock-cut reservoirs (2600–1900 BCE) — 250,000 m³ desert catchment, Dholavira.
🇮🇳 India · Ancient city
Dholavira
Mature Harappan 2650–2100 BCE (with Early/Late phases 3500–1800 BCE) · Indus Valley / Harappan
Harappan metropolis (2650–2100 BCE) on Khadir island in Great Rann of Kutch, the fifth largest Harappan site covering 100 ha with citadel, middle and lower towns and monumental water management.