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Arkhalyk is very close to Prypyat (ghost-town near Chornobyl) according to the architectural typology and the period of construction, which raises to the maximum the general likeness between these two towns.
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Beyond Neptune lies the Kuiper Belt, a massive asteroid belt twenty times the size of the one between Mars and Jupiter. In this frigid, unforgiving environment, organic molecules might still survive, suggesting life's building blocks are everywhere in the universe.