Complex sentence: In 1825, he traveled south on the Nile journeying to Abu Simbel he spent several months in Thebes, excavating at Medinet Habu, Karnak and in several of the tombs in the Valley of the Kings.
Split into simpler sentences: In 1825, he traveled south on the Nile journeying to Abu Simbel. He spent several months in Thebes, excavating at Medinet Habu, Karnak and in several of the tombs in the Valley of the Kings.