but some of his longtime cohorts in exile built mansions in Gaza, all the more striking for their juxtaposition against the squalor of the refugee camps on one of the most crowded places on earth. One of the mansions, estimated to cost $2 million, was built for Mahmoud Abbas, known as Abu Mazen, who would later succeed Arafat as the leader of the Palestinians. "This is your reward for selling Palestine," a graffiti artist scrawled on the mansion stones.