The Incas never invented the wheel, never figured out the arch, and never discovered iron. But they were masters of fiber. They built ships out of fiber, armors, weapons and even bridges. This is the last Incan suspension bridge, made entirely out of grass https://t.co/uppOldacP1 pic.twitter.com/LNhUf4Wxoy
— Massimo (@Rainmaker1973) July 20, 2020
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