Experienced high school teacher is talking to cheerful students while young people are listening, smiling and laughing sitting at desks in light classroom

seminar classroom teaching university education teacher desk student professor group multi-ethnic group tutor learning people studying men sitting russia domestic room females occupation youth culture concentration gesturing women window communication indoors asian ethnicity laughing togetherness caucasian males friendship african american 4k smiling bonding enjoyment happiness girls child high up adult indian light