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Ferdinando Salata, Iacopo Golasi, Simone Bovenzi, Emanuele de Lieto Vollaro, Francesca Pagliaro, Lucia Cellucci, Massimo Coppi, Franco Gugliermetti and Andrea de Lieto Vollaro
A road tunnel is an enclosed and covered infrastructure for the vehicular traffic. Its lighting system provides 24 h of artificial sources only, with a higher amount of electric power used during the day. Due to safety reasons, when there is natural ligh...
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