揭秘被火山吞没的赫库兰尼姆 

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. 　　解谜被维苏威火山摧毁的庞贝姐妹城——赫库兰尼姆的故事。