Step 1 : Introduction to the question "4. In desert areas, shelter from the sun should be a main consideration, but cold, rain, hail, even snow can also be factors. When building a shelter, you should do what?"
...1. Build it clear of creek beds 2. Build it in a way that it is visible to searchers/rescuers 3. All of these 4. Make it just large enough for you to lie down in Also try not to lie directly on the ground.