In the old coal mine, there are many cavities fractures, and it's large space, favourable to movement and preservation of underground water, so that become water-rich area.
Drought conditions during most of the 21st century have forced water managers to plan for a day when the region's vast system of DAMS and reservoirs no longer have enough water to store.
Long-term storage and improper disposal of this material may result in dioxin release into the environment and the contamination of human and animal food supplies.
Governments of rapidly developing countries incorporate waste minimisation thinking into the transport infrastructure and storage facilities currently being planned, engineered and built.