Tents are often used in humanitarian emergencies, such as war, earthquakes and fire. The dominant choice of tents in humanitarian emergencies are still life tents, because a cotton canvas tent allows utility breathability while serving the destination of impermanent shelter.
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Separate groundsheets allow loadsharing when backpacking, and may make it easier to Backpacking Tents pitch and strike a tent, but they provide less protection against insects etc
- getting into the sleeping area; also, if any constituent of a separate groundsheet protrudes from under the side walls, then it provides a ready path for moisture to flow into the tent.
