Scattered almost randomly around the top of the mounds are burned, oxidized chunks of rock—hearth stones—in drifts of fish bones and ash. To Haas and Creamer, these look like the remains of feasts. The city rulers encouraged and rewarded the workforce during construction and maintenance of the mound by staging celebratory roasts of fish and achira root right on the worksite. Afterward they mixed the garbage into the mound, incorporating the celebration into the construction. At these feasts, alcohol in some form was almost certainly featured. So, perhaps, was music, both vocal and
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