If an environment, or just a very secluded 'biome' was artificially produced

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If an environment, or just a very secluded 'biome' was artificially produced would it still be considered 'beautiful'? Even considering that this particular secluded artificial environment had a perfectly in sync ecosystem, was self-sustaining, and never tired of resources for human use, would it still be beautiful and fantastical even though it was subject to human manipulation of Earth natural way of nature?