Large lecture hall, two half-naked busty European women, female university professor 50 years and 45 years explaining economics during a power-point presentation, they stand with their legs wide apart, gap between their thighs, tummy, (knees apart:2), open gray jacket revealing, black semi-transparent lace bra, (saggy breasts:1.6), black nylon stockings, black shoes, (((without panties:2))), (((no panties:2))), (bottom less:2), (without skirt:2), (lecture:1.5), (students:1.5), view from afar, full-length models