Young Asian Teacher Writing Hieroglyphs on Blackboard

chalkboard - visual aid education teaching language post-secondary education classroom student chalk - art equipment text stem - topic hieroglyphics university intelligence studying presentation - speech portable information device internet ideas touch screen scientist equipment science smart phone portability occupation human back one person wall - building feature women film - moving image one young woman only 1080p young adult mobile phone people manufactured object young women hd format wireless technology only women horizontal one woman only back russia adult non us film location adults only working telephone bachelor well-dressed time lapse rear view indoors brown hair