Cactus
«Environmental» Innovations in Construction Suggget the Study of Nature, Including Its Individual Objects. A Person Can Benefit from the Same ONE FROM Which Its Extracted, Say, Animals and Plants. For Example, New Opportunites for Frame Construction Can Look at a Regular Cactus. Its Ribbed Structure Contributes to a Rapid and Flexible Change in Volume, and High Ribs Also Provide Advent Shadow in Extreme Conditions of Existance. The Same Ribs and Wax Raid on the Stems Allow You to Collect Rain Water and Deliver it to the Roots. IF YOU NEED TENT Shelters, The Advise You to Follow The Link Given.