Artifacts may pertain-to civilization.Logical formLearned from7 sentences. Artifacts may undergo a looting.Logical formLearned from7 sentences. A rock can be among some artifacts.Logical formLearned from7 sentences. Some artifacts may be shown in an exhibition of (art treasures).Logical formLearned from7 sentences. Cultural artifacts may undergo a looting.Logical formLearned from7 sentences. Artifacts may pertain-to a collection.Logical formLearned from7 sentences. Artifacts may be damaged.Logical formLearned from7 sentences. Some artifacts can be on loan.Logical formLearned from6 sentences. Artifacts may be identified.Logical formLearned from6 sentences. A number of artifacts may be excavated.Logical formLearned from6 sentences. Studies can be constituted-of-or-filled-with artifacts.Logical formLearned from6 sentences. Artifacts can be from a continental-region.Logical formLearned from6 sentences. Symbols can be on an artifact.Logical formLearned from6 sentences. An artifact can be shared.Logical formLearned from6 sentences. Control may pertain-to an artifact.Logical formLearned from6 sentences.