Soochow when Sun QuanIt was dug from the ground a opper box二尺long七寸Done with glass coverThere is a white玉如意Any place with handAre engraved with dragon, tiger and the image of cicadaWho do not know why this isThen sent to ask on the ComprehensiveIntegrated is a learned and knowledgeable people who knowHe said: "In the past, there is the Emperor Qin Shi Huang Jinling gas becausePing a number of mountainBao buried everywhereWang used to suppress the gas"This may be true, right?