We loved this video our niece in Spain sent us.
https://www.youtube.com/watch?v=Bf5TgVRGND4
There are more on the nature-rx.org website
Check our our website: http://www.backpackthesierra.com/
Or just read a good mystery novel set in the Sierra; https://www.amazon.com/Danger-Falling-Rocks-Paul-Wagner/dp/0984884963