91. 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
92. Ingapirca , NE horizon seen from SW Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Ingapirca Site (Ecuador) Date: 1981 Format: Image
93. Ingapirca, Cañares Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Ingapirca Site (Ecuador) Cañares (Ingapirca Site, Ecuador) Date: 1981 Format: Image
94. Rumicucho, Eastern horizon Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Pucara de Rumicucho Site (Ecuador) Date: 1981 Format: Image
95. Rumicucho Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Pucara de Rumicucho Site (Ecuador) Date: 1981 Format: Image
96. Rumicucho Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Pucara de Rumicucho Site (Ecuador) Date: 1981 Format: Image
97. Ingapirca Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Ingapirca Site (Ecuador) Date: 1981 Format: Image
98. Ingapirca Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Ingapirca Site (Ecuador) Date: 1981 Format: Image
99. Ingapirca Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Ingapirca Site (Ecuador) Date: 1981 Format: Image
100. Ingapirca Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Ingapirca Site (Ecuador) Date: 1981 Format: Image