(Above) Huaca Esmeralda, near Trujillo. North Coast of Peru. Chimu walls were decorated with mud arabesques, generally in small repeated "textile" figures. These are revealed in clearing debris. Some of the best preserved are in the small Huaca Esmeralda in the suburbs of Chanchan. the linear beauty o£ Tambo Colorado, the colossal grandeur of Sacsahuaman, the majestic setting and the noble architecture of Machu Picchu - these are timeless. The accompanying photographs were taken by the writer in the early months of 1952 while on a general survey of the Andean region made possible by a much appreciated grant from the Wenner-Gren Foundation for Anthropological Research, of New York. 222 ARCHAEOLOGY