handsome male teacher explain the class to group of hispanic students in class at school during lesson

1080 1080p 1920 1920x1080 2160 3840 3840x2160 american book casual caucasian class classroom college communicate computer consult desk digital discussion education encouraging exam explain eye glasses group happy helping indoors knowlage laptop lecture lecturer lesson listen male men people person positive professor school sitting smile smiling student studying subject talk talking teacher teen teenage teenager theme together touchscreen tutor uhd university video working