It was midday on August 24,in the year 79.There was a deafening noise,and the city of Pompeii started to shake.In the crowded market,shoppers screamed and pointed at Mount Vesuvius,the huge volcano near the city.Ash and smoke were shooting 30 kilometer into the sky from the volcano.After just two days,the city and thousands of people disappeared under more than 18 meters of ash.The great city of pompeii was lost.