Raised Hand in Classroom

training, instruction, teachers, teaching, classroom, class room, raised hands, chalkboard, KEDV01P03_16Hands Raised, Boys, Girls, Classroom, Schoolroom, China, 1973, 1970's, KEDV04P11_04Raised Hand in Classroom, Classroom, Schoolroom, China, 1973, 1970's, KEDV04P11_05
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