Gold masks of great expressiveness were sculpted. The goldsmiths' understanding of a sophisticated metal-working embraced the technologies of alloys, filigree, granulation, lost-wax casting and gold plating, all developed independently in almost parallel timescale with the Mediterranean world and Asia. Indeed, what Pre-Columbian gold demonstrates is how goldsmiths on different continents, with no knowledge of each other, evolved the same techniques for working gold.
colombia is the place for gold not only on the cordilleras de los andes, but also on the rivers a long with the boders with the ocean by panana.
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