13328411 - Businesswoman leading conference presentation13328982 - Smiling, eager girl student asking a question13328431 - Smiling business people asking a question13328980 - Male teacher leading physics lesson13328346 - Businesswoman leading meeting13328479 - Businesswoman leading conference presentation13328414 - Businesswoman asking question13328998 - Science teacher leading lesson13328406 - Businesswoman leading conference presentation13328964 - Male teacher calling on students13325151 - Businesswoman in audience asking question13338150 - school student with hand raised13338133 - Teacher leading lesson, calling on students13338123 - school students with hands raised during lesson13338109 - Eager school students with hands raised13338175 - school students with hands raised13338155 - Smiling male teacher leading lesson13338223 - school student raising hand, asking a question during lesson13338158 - Female teacher in hijab teaching lesson at projection screen13338143 - Female teacher in hijab leading lesson at projection screen13335000 - Teacher and eager students in science centre13338140 - school students enjoying lesson at desks13338208 - school students participating with hands raised13328975 - Smiling male science teacher leading lesson13338129 - Female teacher in hijab answering student questions13338128 - Male teacher leading lesson at projection screen13338139 - school students raising hands for teacher leading lesson13338136 - Eager school students with hands raised13332688 - Colleagues clapping for speaker in wheelchair13328956 - Portrait girl student sitting during lesson
