1. Ingapirca, West Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Ingapirca Site (Ecuador) Format: Image
2. Environs de l'Ingapirca, de l'Ingachungana et de l'Intihuayeu, echelle au 1:40.000 env. [ca. 1912] Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Ingapirca Site (Ecuador) Date: 1912 Format: Image
3. 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
4. Ingapirca, Castillo, sunset through gate Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Ingapirca Site (Ecuador) Castillo (Ingapirca Site, Ecuador) Date: 1981 Format: Image
5. Mitad del Mundo, shadow on garden Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Ingapirca Site (Ecuador) Mitad del Mundo (Ingapirca Site, Ecuador) Date: 1981 Format: Image
6. Ingapirca Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Ingapirca Site (Ecuador) Date: 1981 Format: Image
7. Ingapirca Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Ingapirca Site (Ecuador) Date: 1981 Format: Image
8. Ingapirca Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Ingapirca Site (Ecuador) Date: 1981 Format: Image
9. Ingapirca Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Ingapirca Site (Ecuador) Date: 1981 Format: Image
10. 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