| Wind & Rain, Slide 2 | ||||
|
Photo © Bob Walker |
 |
Accumulated
moisture unglued the sand grains of this sandstone outcrop until the cave
eroded through, forming an arch. |
||
 |
Wind & Rain |  |
||
| Wind & Rain, Slide 2 | ||||
|
Photo © Bob Walker |
|
Accumulated
moisture unglued the sand grains of this sandstone outcrop until the cave
eroded through, forming an arch. |
||
|
Wind & Rain | |
||
