A sweep may comprise civilization.Logical formLearned from7 sentences. A search can be for legacies of civilizations.Logical formLearned from7 sentences. Civilization may be corrupted.Logical formLearned from7 sentences. A bulwark can be constituted-of-or-filled-with civilization.Logical formLearned from7 sentences. Pillars may pertain-to a civilization.Logical formLearned from7 sentences. Some civilizations can be throughout history.Logical formLearned from7 sentences. A ruined city may pertain-to a civilization.Logical formLearned from7 sentences. A home may pertain-to a civilization.Logical formLearned from7 sentences. Degrees can be constituted-of-or-filled-with civilization.Logical formLearned from7 sentences. Relics can be constituted-of-or-filled-with civilizations.Logical formLearned from7 sentences. A civilization may be constructed.Logical formLearned from7 sentences. Civilization may undergo an unraveling.Logical formLearned from7 sentences. Western civilization may collapse.Logical formLearned from7 sentences. A cake can be constituted-of-or-filled-with civilizations.Logical formLearned from7 sentences. A collapse may pertain-to civilization.Logical formLearned from7 sentences.