But as seismologist Horst Langer says, Etna's changing landscape is a hazardous working environment.

CNN: Keeping track of Etna's pulse

But trade here depends on the volcano and it is known as the gateway to Etna.

CNN: Keeping track of Etna's pulse

Every day, tiny earthquakes rock Mt Etna, which at 3, 300 meters high, dominates the island of Sicily in southern Italy.

CNN: Keeping track of Etna's pulse

It has active volcanoes, such as Etna and Vesuvius, few plains, lots of mountains and a flurry of fast-flowing rivers.

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In the gallery stands a 15-inch-high marble head of one-eyed Polyphemus (aka Cyclops), who lived in a cave on Mount Etna.

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One of the newer technologies used on Mt Etna is thermal imaging.

CNN: Keeping track of Etna's pulse

"We have a love for Etna but also a hate because it is both dangerous and a beautiful mountain, " Consoli Snr. told CNN.

CNN: Keeping track of Etna's pulse

Volcanologist Sonia Calvari, of the Institute of Geophysics and Volcanology in Catania (INGV-CT), said rapid advances in technology enable experts to use a wide range of methods to continually map and monitor Etna from a distance.

CNN: Keeping track of Etna's pulse

Mt Etna is changing all the time.

CNN: Keeping track of Etna's pulse