PUBLISHED ON: March 18, 2011 | Duration: 5 min, 00 sec
A sand dune isn't just a mound on a beach, it is like a mini ecosystem. It may even save lives when a tsunami hits. However, all the human activity on the sand dunes of Goa's beaches is threatening their very existence. On NDTV's Save India's Coast campaign this week, we explore how Goa is becoming a seismically vulnerable state.