National Geographic : 1913 Apr
Photo byHiram Bingham AN ARCHITECTURAL TRIUMPH: MACHU PICCHU A general view of the Sacred Plaza, the site of the finest structures at Machu Picchu. In the centeristhe Chief Temple (see pages 409, 501, 503, and 512), and at the right the Temple of the Three Windows (see pages 408, 409, 416, 417, 418, 431, 474). Above them istheSacred Hill, on top of which is the Intihuatana stone, or sun dial (see pages 507, 509). Contrast this picture, which was taken in1912, after months ofstrenuous work in cleaning the city, with the picture on the following page, which was taken in 1911.