It had been totally enclosed on all four sides, except for the small opening of the doorway, which let in light and air, whereas many of the huts of the caboclos had only roofs for coverings and were open on all four sides to the vicious fury of tropical storms. Those of the natives, deep in the heart of the jungle, were still more simple, consisting usually of cotton hammocks swung between two trees and a couple of giant palm leaves meeting above for a covering.