Testimony can be to thousands of years of civilization.Logical formLearned from4 sentences. Mountains may bear testimony to thousands of years of civilization.Logical formLearned from4 sentences. A link can be between some civilizations.Logical formLearned from4 sentences. Clashes can be among civilizations.Logical formLearned from4 sentences. Leaders may conduct a dialogue of civilizations.Logical formLearned from4 sentences. An ancient civilization may date.Logical formLearned from4 sentences. A nexus can be between civilizations.Logical formLearned from4 sentences. Archaeological remains may pertain-to a civilization.Logical formLearned from4 sentences. Features can be constituted-of-or-filled-with chinese civilization.Logical formLearned from4 sentences. A civilization can be institutional.Logical formLearned from4 sentences. A step can be in (world civilization).Logical formLearned from4 sentences. A war can be against a western civilization.Logical formLearned from4 sentences. A chinese civilization can be brilliant.Logical formLearned from4 sentences. A chinese civilization may undergo a creation.Logical formLearned from4 sentences. A civilization may contribute.Logical formLearned from4 sentences.