Complex sentence: Avdat was a temple built in the Negev desert by the Nabataeans for commemorating Obodas, where he was buried and inscriptions have been found referring to "Obodas the god".
Split into simpler sentences: Avdat was a temple built in the Negev desert by the Nabataeans to commemorate Obodas. He was buried there and inscriptions have been found referring to "Obodas the god".