caucasian mother and daughters using tablet computer together - 12 12 12 2013 film stock-fotos und bilder
boy smiling with his arms crossed in front of a blackboard in a classroom - 12 12 12 2013 film stock-fotos und bilder
portrait of schoolboy with hands in pockets in school corridor - 12 12 12 2013 film stock-fotos und bilder
multi-ethnischen studenten 8-12 in der bibliothek bücher. - 12 12 12 2013 film stock-fotos und bilder
usa, california, los angeles, children (12-13,14-15,16-17) blowing candles on birthday cake - 12 12 12 2013 film stock-fotos und bilder