Diving in Tegnue

Piero Mescalchin is a well known diver in the maritime area outside Chioggia (the Venice lagoon). 
In this video he explain why and how he started diving and taking underwater images with a DIY scientific approach, thanks to the help he gave to fishermen by freeing their nets from underwater rocks he was able to gain knowledge about northern Adriatic sea bottom. 
[December 2015] Interview taken from metagoon.net platform