Photos: The 10,000 Year Clock

If all goes according to plan, these gears will power the chiming device that will be heard ringing 75 miles southeast of Ely, Nev., on a mountain top, in a bristlecone pine forest near Great Basin National Park. That's where the Long Now Foundation is planning to build its 10,000 Year Clock tucked inside white limestone cliffs.

Photo by James Martin/CNET