Complex sentence: Alessandro Palma di Cesnola (born 1839) conducted excavations at Paphos (where he was U.S. vice-consul) and Salamis on behalf of the British government.
Split into simpler sentences: Alessandro Palma di Cesnola (born 1839) conducted excavations in Cyprus. He worked at Paphos (where he was U.S. vice-consul) and Salamis on behalf of the British government.