A cemetery may provide clues to some civilisations.Logical formLearned from5 sentences. An activity may be practiced throughout ancient civilisations.Logical formLearned from5 sentences. Civilisations can be indigenous.Logical formLearned from5 sentences. Civilisations may rise.Logical formLearned from5 sentences. A clash can be between civilisations.Logical formLearned from5 sentences. Civilisations may undergo a development.Logical formLearned from5 sentences. Civilisations can be past.Logical formLearned from5 sentences. The ancient world may undergo civilisations.Logical formLearned from5 sentences. Civilisations can be for millennia.Logical formLearned from5 sentences. Crossroads can be constituted-of-or-filled-with civilisations.Logical formLearned from5 sentences. A habitability can be for civilisation.Logical formLearned from5 sentences. A war can be constituted-of-or-filled-with civilisation.Logical formLearned from5 sentences. An end may pertain-to a civilisation.Logical formLearned from5 sentences. A cradle of chinese civilisation can be to millions of dwellers.Logical formLearned from5 sentences. Visions can be constituted-of-or-filled-with civilisations.Logical formLearned from5 sentences.