Before the arrival of the Spanish, Colombia was home to a rich mosaic of pre-Columbian civilizations, each with distinct cultures, technologies, and social structures. Archaeological evidence suggests human presence in the region as early as 18,000 BCE, with early societies transitioning from nomadic hunter-gatherers to settled agricultural communities by 5000 BCE. Over time, complex societies emerged, including the Muisca, Tairona, Quimbaya, Calima, San Agustín, and Zenú cultures. These groups developed sophisticated systems of agriculture, metallurgy—especially goldwork—and trade. The Muisca, for instance, formed a confederation in the Andean highlands and were known for their salt production, emerald trade, and the legendary El Dorado ritual, which involved offerings of gold into Lake Guatavita. The Tairona, based in the Sierra Nevada de Santa Marta, built terraced cities like Ciudad Perdida and excelled in stone architecture and goldsmithing. The...