Trujillo, Peru and others. The Chimu culture built its primary settlement at what is known as Chan Chan, which was the capital, having an estimated 100,000 people at its peak. It is the largest pre-Columbian city built of adobe and has been designated a UNESCO World Heritage Site. Its remains are northwest of the current city center. The present Spanish–Peruvian city of Trujillo was founded in an ancestral territory populated by ancient indigenous civilizations. The Spanish founded new cities expressing their culture in what they called the "Viceroyalty of Peru". The Moche civilization flourished in northern Peru with its Huacas del Sol
Metallurgy in pre-Columbian America sources of iron, like that from meteorites, which was occasionally worked using stone anvils. Metallurgy in pre-Columbian America Metallurgy in pre-Columbian America is the extraction and purification of metals, as well as creating metal alloys and fabrication with metal by Indigenous peoples of the Americas prior to European contact in the late 15th century. Indigenous Americans have been using native metals from ancient times, with recent finds of gold artifacts in the Andean region dated to 2155–1936 BCE, and North American copper finds dated to approximately 5000 BCE. The metal would have been found in nature without need for smelting