49. Ingapirca , NE horizon seen from SW Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Ingapirca Site (Ecuador) Date: 1981 Format: Image
50. Pilaloma, Ingapirca, June solstice Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Ingapirca Site (Ecuador) Date: 1981 Format: Image
51. Ingapirca, Pilaloma Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Ingapirca Site (Ecuador) Pilaloma (Ingapirca Site, Ecuador) Date: 1981 Format: Image
52. Ingapirca, Cañares Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Ingapirca Site (Ecuador) Cañares (Ingapirca Site, Ecuador) Date: 1981 Format: Image
53. Ingapirca canals Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Ingapirca Site (Ecuador) Date: 1981 Format: Image
54. Ingapirca Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Ingapirca Site (Ecuador) Date: 1981 Format: Image
55. Machu Picchu - semi circular temple Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Machu Picchu Site (Peru) Date: 1981 Format: Image
56. Machu Pichu - inside Torre Militar Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Machu Picchu Site (Peru) Torreon (Machu Picchu Site, Peru) Date: 1981 Format: Image
57. Torre Militar and cave Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Machu Picchu Site (Peru) Torreon (Machu Picchu Site, Peru) Date: 1981 Format: Image
58. Cave below Torre Militar Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Machu Picchu Site (Peru) Date: 1981 Format: Image
59. Machu Picchu Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Machu Picchu Site (Peru) Date: 1981 Format: Image
60. Castillo from S looking N Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Ingapirca Site (Ecuador) Castillo (Ingapirca Site, Ecuador) Date: 1981 Format: Image
