When Pompeii was destroyed by an apocalyptic volcano in 79 AD, another Roman town was also destroyed and experts now use cutting-edge tech to investigate the secrets of Vesuvius' second victim.
Mats Steen, a Norwegian gamer, died of a degenerative muscular disease at the age of 25. His parents mourned what they thought had been a lonely and isolated life, when they started receiving messages from online friends around the world.