Underground Unknown and Forgottens - World Listening Day 2012 in Limerick City. As the tunnels all end in the river Shannon, we recorded the underwater sound with a hydrophone. The burst from 1m03s to 1m08s is a swan landing on the water about 5 meters from the hydrophone. #hydrophone #Ireland #Limerick #RiverShannon #underground #WLD2012
10 months ago, Limerick, Limerick City, Ireland
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