Italy - Naples - Volcanologist Giuseppe Mastrolorenzo in Vesuvius

Giuseppe Mastrolorenzo, volcanologist with the Osservatorio Vesuviano and leading authority on local geology and civil evacuation plans, on the crater edge of the Vesuvius volcano, Italy. From the chapter entitled 'Under the Volcano' and from the book 'Risk Wise: Nine Everyday Adventures' by Polly Morland (Allianz, The School of Life, Profile Books, 2014). "There would be no modern precedent for an evacuation of this magnitude," says Giuseppe Mastrolorenzo at the Vesuvius Volcano Observatory in (Photo by Richard Baker/In Pictures Ltd./Corbis via Getty Images)