Complex sentence: Drovetti both traded antiquities and assembled his own collection, competing with rivals collectors such as Giovanni Belzoni and the British consul Henry Salt, and leading to disputes such as that of the obelisk in Philae found at the temple of Abu Simbel.
Split into simpler sentences: Drovetti both traded antiquities and assembled his own collection, competing with rivals collectors such as Giovanni Belzoni and the British consul Henry Salt. Leading to disputes such as that of the obelisk in Philae that had been found at the temple of Abu Simbel.