![201911bhr_fr_ai_toh](/sites/default/files/multimedia_images_2019/201911bhr_fr_ai_toh.jpeg)
High-tech video cameras equipped with facial recognition technology hang from an office building in downtown Belgrade, Serbia.
© 2019 Darko Vojinovic / AP Photo
High-tech video cameras equipped with facial recognition technology hang from an office building in downtown Belgrade, Serbia.