OriHime, a humanoid robot attends a classroom to connect to remote learning students at Chikushi Fukuoka Prefectural High School in Chikushi, Fukuoka on Feb. 4, 2021. Some students stay home to avoid the three Cs: Closed spaces with poor ventilation, Crowded places with many people nearby, and Close-contact settings such as close-range conversations. The 20-centimeter-tall robot , equipped with a microphone, speaker, and camera, can be operated from a remote location. ( The Yomiuri Shimbun via AP Images )