How To Build Temporary Refuge In Any Environment. By Tim Macwelch. Find out more about: Shelters you bring with you, including clothing and basic outdoor gear, Shelters you can find in the wild and build from vegetation, Snow shelters, Tarp shelters, Advanced shelters, How to find shelter in modern emergency, How to make any shelter better with simple tricks and tips for warmth, waterproofing, cooling, pest control, and comfort. Bulk packed.