Rainbow mountain

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Across
  1. 3. Hard natural material that forms mountains
  2. 4. Country where rainbow mountains are found 🇨🇳
  3. 5. Colours in the sky after rain
  4. 6. Everything around us that grows or forms without people making it
Down
  1. 1. Biggest landform
  2. 2. Tiny natural things inside rocks that give them colour
  3. 4. What we see when light reflects from things — like red, yellow, green