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
Pre-Columbian rafts one attempt reached Costa Rica. The various voyages have demonstrated the seaworthiness of prehistoric rafts and, in the words of an early Spaniard, that the Indians who sailed them were "great mariners." The Spanish colonists in Peru and Ecuador from the 16th to the 19th centuries relied on the Indians of the Peruvian and Ecuadorian coasts and their rafts for coastal trade. Pre-Columbian rafts Pre-Columbian rafts plied the Pacific Coast of South America for trade from about 100 BCE, and possibly much earlier. The 16th century descriptions by the Spanish of the rafts used by Native Americans along the seacoasts