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Physical therapist guiding knee of man stepping onto fitness ball
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Two smiling friends talking about the laptop while sitting on a sofa
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Young woman holding a laptop accompanied by her friend sitting on a white sofa
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Young women sitting on the floor while using a computer and smiling
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Young woman using her friend's laptop while sitting on a white sofa
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Cropped shot of romantic young couple with hands on each others knees
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Low section of young businesswoman removing high heels in hotel room
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Female nurse with teddy bear watching girl patient using insulin pen in hospital room
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1920s WOMAN SITS ON WOOD FENCE HOLDING SHOTGUN OVER ONE KNEE PETTING ONE OF TWO DOGS HUNTING HAT FASHION
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1970s PORTRAIT AFRICAN AMERICAN WOMAN SEATED LEGS TO CHEST WITH CHEEK RESTING ON KNEE LOOKING OFF INTO DISTANCE
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1970s SAD LONELY SERIOUS WOMAN SITTING UP IN BED ARMS AROUND KNEES INSOMNIA SLEEPLESS WORRIED
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Woman putting adhesive bandage on little girl's knee, cropped view
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Smiling teenagers sitting on a white sofa while looking at a laptop
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1950s PORTRAIT OF WOMAN DRESSED IN EVENING GOWN WITH BEADED CUFFS & JEWELRY WEARING A HAUGHTY FACIAL EXPRESSION
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Portrait of a young woman sitting on the bed with her legs crossed at knee
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Nude young woman sitting with knees raised, holding head, smiling at camera
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Portrait of a young woman holding a mobile phone with a young man sitting behind her on a couch
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Portrait of a young woman leaning against a wall and operating a mobile phone
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Young woman sitting with her legs crossed at knee and using a laptop
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