Nature Photo of The Week - 2014 - week 13

Barb McCoy's blog Handbook of Nature has a challenge out; for the next 52 weeks one picture a week.

I am going to attempt to complete all 52 with pictures that I take myself. :)

My thirteenth pic of the year: old

Number 17 on the list:      

           
This is part of a fault line. It has been here in this cave for a very long time. So far, it has not shifted and caused an earthquake... but it could,