Χαρούμενα αγόρια και γυναίκες μαθητές γελούν κατά τη διάρκεια ζωντανής επικοινωνίας και διακόπτουν από την ηλεκτρονική μάθηση σε φορητές συσκευές χρησιμοποιώντας δωρεάν σύνδεση στο διαδίκτυο στον τομέα της δημοσιότητας, την έννοια της ευτυχίας και της φιλίας - Φωτογραφίες & Εικόνες Αρχείου

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