Sharon is hugging the trunk of a fallen redwood tree. Based on the rings, this tree was more than 200 years old when it fell.
Redwood trees often fall naturally, when they grow so high and so heavy that their roots are not able of supporting them, or the ground is not stable enough.
Photo taken during a 3-day trek on the Pine Ridge trail to the Sykes Hot Springs in the Vantana Wilderness, near Big Sur (California)