Marble Canyon, a glacial melt water channel in Kootenay National Park, the Rockies, Canada.

---

Size: 3425px × 5138px
Photo credit: © BOB GIBBONS/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: australia, biological, biology, botanical, botany, circinalis, cone, cycas, dioecious, female, nature, plant, queen, reproduction, reproductive, sago, single, structure