Name a few natural materials that people have used for a very long time to build out

1. Wood: Wood has been widely used for construction due to its abundance, durability, and ease of working. It is used for framing, flooring, doors, windows, and various other structural elements.

2. Stone: Stone has been utilized as a fundamental construction material for centuries. Its strength, durability, and aesthetic appeal make it suitable for foundations, walls, and various architectural features.

3. Adobe: Adobe is a mixture of earth, water, and organic materials like straw or fibrous twigs. It has been used for construction in many regions, especially arid and desert areas, due to its thermal properties, affordability, and availability. It is commonly used for constructing walls and structures.

4. Bamboo: Bamboo is a versatile and sustainable natural material used in construction for its strength, flexibility, and rapid growth. It is commonly employed for walls, roofs, and scaffolding in many Asian countries.

5. Thatch: Thatch comprises dry vegetation, such as straw, reeds, or grass, used to create roofs. It is lightweight, readily available, and provides excellent insulation. Thatch roofs have been used in traditional construction across different cultures.

6. Clay: Clay is a natural material commonly used for creating bricks, tiles, and various pottery items. Its abundant availability, moldability, and fire-resistant properties make it suitable for constructing walls, floors, and roofs.

7. Stone and Earth: Cob and rammed earth are construction techniques that utilize a mixture of soil, clay, sand, and straw compressed or formed into structures. These techniques have been used historically in various parts of the world for creating walls, especially in regions where stone is scarce.

8. Seashells: Seashells have been used as a natural material in construction, particularly for decorative purposes. They have been incorporated into building facades, flooring, and ornamental features in coastal regions.

9. Reed and Thistle: In certain regions, reed and thistle have been used for construction purposes. These materials are often utilized to create thatched roofs, mats, fences, and temporary structures.

10. Animal Skins: Animal skins have been used for creating shelters and tents in many nomadic cultures. These materials offer protection from weather elements and can be easily transported as they are lightweight.

Disclaimer: Some of these natural materials may not be widely used or appropriate for contemporary construction practices and building codes. It is essential to consult professional architects or engineers for particular projects.