61. Rumicucho Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Pucara de Rumicucho Site (Ecuador) Date: 1981 Format: Image
62. Rumicucho Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Pucara de Rumicucho Site (Ecuador) Date: 1981 Format: Image
63. Rumicucho Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Pucara de Rumicucho Site (Ecuador) Date: 1981 Format: Image
64. Ingapirca Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Ingapirca Site (Ecuador) Date: 1981 Format: Image
65. Rumicucho Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Pucara de Rumicucho Site (Ecuador) Date: 1981 Format: Image
66. Castillo , W. horizon seen from the East Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Ingapirca Site (Ecuador) Castillo (Ingapirca Site, Ecuador) Date: 1981 Format: Image
67. Pilaloma, Ingapirca, looking West Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Ingapirca Site (Ecuador) Pilaloma (Ingapirca Site, Ecuador) Date: 1981 Format: Image
68. Ingapirca, Pilaloma Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Ingapirca Site (Ecuador) Pilaloma (Ingapirca Site, Ecuador) Date: 1981 Format: Image
69. Ingapirca , sunset through gate, Castillo Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Ingapirca Site (Ecuador) Castillo (Ingapirca Site, Ecuador) Date: 1981 Format: Image
70. Ingapirca , NE horizon seen from SW Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Ingapirca Site (Ecuador) Date: 1981 Format: Image