Smiling beautiful woman in lab coat talking to the camera on a Green Screen, Chroma Key

doctor medicine chroma key lab coat heathcare white background green professional occupation camera 4k one woman only laboratory expertise person presentation one young woman only coat russia women only women occupation beautiful woman uniform seminar cut out cheerful colors adult human face key white confidence beauty body part speaker looking young adult anthropomorphic smiley face talking people portrait standing adults only military uniform beautiful people happiness photography brown hair holding general - military rank