Digging the trench for the fibre optic cable (IMAGE)

GFZ Helmholtz-Zentrum für Geoforschung

Digging the trench for the fibre optic cable

Caption

Digging the trench for the fibre optic cable in Piano delle Concazze (Etna volcano, 2800 m elevation), with Pizzi Deneri Observatory in the background.

Credit

P. Jousset, 2018

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