Teachers at a school district in Pennsyvania, United States go on strike to demand higher wages in this 2015 file image.

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Size: 6000px × 4000px
Photo credit: © Lisa Howeler / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: airing, american, anger, angry, employee, employees, grievance, grievances, group, large, peaceful, peacefully, pennsylvania, people, protest, protesting, protests, raise, signs, states, strike, striking, teacher, teachers, united, wages, walkers, walking