根据对话内容，从下面方框中选择适当的单词或词组填空，使对话内容完整正确。

Helen：Hi，Tony! What do you think of the TV programme about Pompeii?

Tony：Pompeii? What is Pompeii?

Helen：It is a dead city ___1___ Italy．

Tony：Why do you say it's a dead city?

Helen：Because Mount Vesuvius，a grass-covered volcano（火山）erupted（喷发）in 79 AD．When the eruption ended two days later，the ___2___ city was covered with 20 feet of stones and ashes．

Tony：Wow! How terrible! Then how long did Pompeii lie under the stones and ashes?

Helen：For centuries．Later，in the year 1861，an Italian scientist ___3___ Pompeii．The city looked almost ___4___ it had looked in 79 AD．

Tony：Really?

Helen：Yes，in the city you can see everyday objects which remind you of people's __5__ there．

Tony：That's amazing．I'll go there to have a visit if I have time．