December 28 , 2025
15 hrs 0 min
21
- Archaeological evidence shows that floods buried the Keezhadi settlement on the Vaigai floodplain in Tamil Nadu around 1,155 years ago.
- Keezhadi is located in the Sivagangai district and lies on a mound within the Vaigai river floodplain.
- Excavations have revealed brick structures, canals, floors, and pottery reflecting urban life described in Sangam literature.
- The sediment layers indicate repeated flooding, with coarser sand below brick structures and silty clay above, suggesting high-energy flood events.
- These findings help understand late Holocene climate variability and how environmental forces shaped human settlements in South India.
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