Two pairs of regional trains between Catania and Siracusa are worked with ALn668 units, to rotate the rolling stock on the line to Modica. Today the regular unit on Regionale 3857 is the very clean ALn668 3031, seen here in close-up just before Lentini station.
Photographed on 26/04/2019 at Lentini (Province of Syracuse, Region of Sicily, Italy).