The extraction and processing of bauxite (main precursor of aluminium) demands a lot of land and energy. In some cases huge dams are build, specifically to produce power for the aluminium-smelters. Naturally this sometimes conflicts with populations and settlements. The obvious course of actions in those cases is of a course a relocation of those populations. As a trade-off to their loss, entire villages made of secondary aluminium could be build for them in more convenient locations.
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