Various faces, diverse skin tones, detailed facial features, high cheekbones, dimpled chins, subtle smiles, bright eyes, eyelashes, eyebrows, nose shapes, lip shapes, facial expressions, happy, sad, angry, surprised, calm, side profiles, front views, 3/4 views, close-ups, soft focus, realistic textures, smooth skin, wrinkles, freckles, beauty marks, morning light, natural lighting, shallow depth of field.