Subterranean architecture refers to the design and construction of buildings and structures below the earth's surface. This type of architecture can include underground homes, tunnels, and facilities that utilize the natural insulation of the earth to maintain stable temperatures. It often aims to minimize environmental impact and blend harmoniously with the landscape. Many subterranean structures are built for practical purposes, such as mines or bunkers, while others serve as unique living spaces. This architectural style can also enhance energy efficiency and provide protection from extreme weather conditions. Overall, subterranean architecture represents an innovative approach to sustainable living.