517. 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
518. Torreon Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Machu Picchu Site (Peru) Torreon (Machu Picchu Site, Peru) Date: 1981 Format: Image
519. Machu Picchu Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Machu Picchu Site (Peru) Date: 1981 Format: Image
520. Machu Picchu Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Machu Picchu Site (Peru) Date: 1981 Format: Image
521. Machu Picchu Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Machu Picchu Site (Peru) Date: 1981 Format: Image
522. Machu Picchu - semi circular temple Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Machu Picchu Site (Peru) Date: 1981 Format: Image
523. 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
524. Machu Picchu, Intihuatana Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Machu Picchu Site (Peru) Date: 1981 Format: Image
525. Torre Militar - curved outer wall Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Machu Picchu Site (Peru) Torreon (Machu Picchu Site, Peru) Date: 1981 Format: Image
526. 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
527. Machu Picchu, 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
528. 3 window structure Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Machu Picchu Site (Peru) Date: 1981 Format: Image
