41. Machu Picchu Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Machu Picchu Site (Peru) Torreon (Machu Picchu Site, Peru) Date: 1981 Format: Image
42. 3 window structure Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Machu Picchu Site (Peru) Date: 1981 Format: Image
43. Machu Picchu Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Machu Picchu Site (Peru) Date: 1981 Format: Image
44. Machu Picchu Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Machu Picchu Site (Peru) Date: 1981 Format: Image
45. Machu Picchu Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Machu Picchu Site (Peru) Date: 1981 Format: Image
46. Machu Picchu Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Machu Picchu Site (Peru) Date: 1981 Format: Image
47. Cerro Piccu Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Cuzco (Peru) Cusco (Peru) Date: 1981 Format: Image
48. Cerro Picchu Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Cuzco (Peru) Cusco (Peru) Date: 1981 Format: Image
49. Sunset from Cerro Picchu Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Cuzco (Peru) Cusco (Peru) Date: 1981 Format: Image
50. Cerro Picchu Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Cuzco (Peru) Cusco (Peru) Date: 1981 Format: Image
51. Kenko Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Cuzco (Peru) Cusco (Peru) Date: 1981 Format: Image
52. Kenko Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Cuzco (Peru) Cusco (Peru) Date: 1981 Format: Image
53. Kenko Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Cuzco (Peru) Cusco (Peru) Date: 1981 Format: Image
54. Kenko Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Cuzco (Peru) Cusco (Peru) Date: 1981 Format: Image
55. Entrance to cave Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Cuzco (Peru) Cusco (Peru) Date: 1981 Format: Image
56. Kenko Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Cuzco (Peru) Cusco (Peru) Date: 1981 Format: Image
57. Southern Andes from the air Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Date: 1981 Format: Image
58. Lake Titicaca sunset Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Titicaca Lake (Peru and Bolivia) Date: 1981 Format: Image
59. Lake Titicaca from the air Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Titicaca Lake (Peru and Bolivia) Lake Titicaca Date: 1981 Format: Image
60. Titicaca Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Titicaca Lake (Peru and Bolivia) Date: 1981 Format: Image