The extraction of valuable minerals from Earth is indispensable of the construction industry or any industry that erects structures - be them schools hospitals, factories, offices, houses, and any structure that human beings have come to inhabit. Let's not forget these are also used to build shelters for animals, greenhouses, to save and protect both flora and faune.
"Reason is the natural order of truth; but imagination is the organ of meaning."
C. S. Lewis
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Charkhal, Kathmandu, Nepal