Third day of searches to find Stefano Bianchelli, 56, and Mario Perniciano, 55, the two divers missing since Sunday in the sea of Villasimius .
An underwater robot and a Navy minehunter ship have also been in action to locate them since this morning.
In particular, the robot, equipped with cameras, could tell many things about what happened on Sunday at 107 meters deep , even if marine weather conditions and currents of recent days could also have partially modified the seabed.
Friends and colleagues in town are in disbelief. «They were experts, Bianchelli was the best of all», they say. And that dive at a depth of a hundred meters, between Serpentara and Isola dei Cavoli, in the area of the wreck of the San Marco , a ship sunk during the Second World War, must have been "normal routine" for them.
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