wooden platform; they may use modern materials such as steam-bent wooden framing or metal framing, canvas or tarpaulin, plexiglass dome, wire rope, or radiant insulation. Management Housing cooperative Repair Housekeeping Tenure Owner-occupancy Rental accommodation Squatting Homelessness The state of being without a home can occur in may ways, ranging from the upheavals of natural disasters, fraud, theft, arson, or war-related destruction, to the more common voluntary sale, loss for one or more occupants on relationship breakdown, expropriation by government or legislated cause, repossession or foreclosure to pay secured debts, eviction by landlords, disposal by time-limited means – lease, or absolute gift. Jurisdiction-dependent means of home loss include adverse possession, unpaid property taxation and corruption such as in circumstances of a failed state. Personal insolvency, development or sustaining of mental illness or severe physical incapacity without affordable domestic care commonly lead to a change of home. The underlying character of a home may be debased by structural defects, natural subsidence, neglect or soil contamination. Refugees are people who have fled their homes due to violence or persecution. They may seek temporary housing in a shelter or they may claim asylum in another country in an attempt to relocate permanently. A dysfunctional home life commonly precipitates one's homelessness. The dichotomy between home and homelessness is to the extent that the concept of home, scholars have said, is dependent on homelessness: "in a sense, without homelessness, we would not be concerned with what home means". Anthropogenic significance The connection between humans and dwelling is profound, such that, the likes of Gaston Bachelard and Martin Heidegger consider it an "essential characteristic" of humanity. A home is generally a place that is close to the heart of the owner, and can become a prized possession. It has been argued that psychologically "The strongest sense of home commonly coincides geographically with a dwelling. Usually, the sense of home attenuates as one moves away from that point, but it does not do so in a fixed or regular way." A person's conception of home can be dependent on congealing conditions, such as culture, geography or emotion; the sense of being at home may be contingent upon the presence of multiple emotions, such as joy, sorrow, nostalgia and pride. Further psychological interperation contends that homes serve the purpose of satisfying identity-based desires and expression and that it functions as a "symbol of the self", bound to the events