![](http://www.alamy.com/thumbs/6/72ADD8EC-B499-4F53-9537-BF19B227CB6D/BJCT6W.jpg)
A Southern California high school physics teacher addresses his class.
Size: 5120px × 3413px
Location: Southern California usa
Photo credit: © Spencer Grant / Art Directors / Alamy / Afripics
License: Licensed
Model Released: No
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