A large amount of unidentified waste is hidden in the land acquired in the Dali section, covering an area of 2.5 hectares. To prevent pollution, it will seriously affect the environmental quality and safeguard the rights of the landowners in the future. The land is harmless, and the volume of waste screening in the field is about 128,085 cubic meters. After screening, the earth and stone are backfilled in the field after being tested. After sieving, the combustibles and incombustibles are about 26,291 tons. After the relevant inspection, it carried out cleaning work. After transformation, it has become the best rest park in the neighboring area.