The Underground House
Design
• Built in the earth, with 2 15 yearsconcreteelectricityfloorfloorsglassinsulationwastewindows
• The south-facing side was constructed of two layers of 3 15 yearsconcreteelectricityfloorfloorsglassinsulationwastewindows
• Photovoltaic tiles were attached
• A layer of foam was used to improve the 4 15 yearsconcreteelectricityfloorfloorsglassinsulationwastewindows of the building

Special Features

• To increase the light, the building has many internal mirrors and 5 15 yearsconcreteelectricityfloorfloorsglassinsulationwastewindows
• In future, the house may produce more 6 15 yearsconcreteelectricityfloorfloorsglassinsulationwastewindows than it needs
• Recycled wood was used for the 7 15 yearsconcreteelectricityfloorfloorsglassinsulationwastewindows of the house
• The system for processing domestic 8 15 yearsconcreteelectricityfloorfloorsglassinsulationwastewindows is organic

Environmental issues
• The use of large quantities of 9 15 yearsconcreteelectricityfloorfloorsglassinsulationwastewindows in construction was environmentally harmful
• But the house will have paid its environmental debt within 10 15 yearsconcreteelectricityfloorfloorsglassinsulationwastewindows