>Wood can last a very long time in hot, dry environments. There are 5000 year old wood beams in the Egyptian pyramids. But also: https://en.wikipedia.org/wiki

>Wood can last a very long time in hot, dry environments. There are 5000 year old wood beams in the Egyptian pyramids. But also: https://en.wikipedia.org/wiki/Kalambo_structure https://en.wikipedia.org/wiki/Kalambo_structure