What do people in tropical rain forests build their houses out of?

The building materials used in tropical rainforests vary depending on the specific location, cultural traditions, and available resources. Here are some common materials used:

1. Wood: Wood is widely used in tropical rainforests due to its abundance and ease of working with. Local tree species that are durable and resistant to rot are often used for construction.

2. Bamboo: Bamboo is another prevalent building material in tropical regions. It is known for its strength and flexibility, making it suitable for constructing houses and other structures.

3. Leaves and Thatch: Roof thatching is common in many tropical rainforest communities. Materials like palm leaves, grass thatching, or other plant materials are used to create the roof covering.

4. Mud and Clay: Mud and clay are abundant in tropical rainforests and have been traditionally used to construct houses. They are mixed with other materials like straw, sand, or animal dung to increase durability.

5. Stone and Rocks: In some areas where suitable stone or rocks are available, they can be used for building foundations or constructing walls.

6. Palm Fronds: Palm fronds, especially from large rainforest palms, can be used for roofing and wall materials. They are flexible, water-resistant, and easy to work with.

7. Tropical Hardwoods: Various hardwood species found in rainforests are also used for building construction. These woods are typically dense and durable, making them suitable for long-lasting structures.

It's important to note that building practices and materials can vary significantly within tropical rainforest regions due to cultural differences, local traditions, and the availability of specific resources.