Tamil Nadu’s Kallanai Dam – Oldest Dam in the World still in use
November 20th is a appreciation day dedicated to all engineers around the world. The reason is engineers plays a key part in development of human civilization. Their innovation, creativity and a wealth of knowledge, has created lot of technical wonders. One such engineering marvel is the Grand Anicut or Kallanai Dam built more than 2,000 years ago by the Chola King
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