These are shots taken up and down the Eastern Sierra
I spend a lot of time van camping below the Eastern Sierra when I go out there to hike peaks. It's awesome territory with massive views, mostly National Forest and Bureau of Land Management terrain with no restrictions.
Parents refers to a larger category under which an object falls. For example, theAconcagua mountain page has the 'Aconcagua Group' and the 'Seven Summits' asparents and is a parent itself to many routes, photos, and Trip Reports.