Visitors talk behind a police drone showcased during Rio Innovation Week in Rio de Janeiro, Brazil, on Aug. 13, 2025. (Photo by Claudia Martini/Xinhua)

A visitor tries on a VR headset during Rio Innovation Week in Rio de Janeiro, Brazil, on Aug. 13, 2025. (Photo by Claudia Martini/Xinhua)

A visitor interacts with a demonstrator during a robotic surgery demonstration during Rio Innovation Week in Rio de Janeiro, Brazil, on Aug. 13, 2025. (Photo by Claudia Martini/Xinhua)

A visitor takes photos in front of the sign of the Rio Innovation Week in Rio de Janeiro, Brazil, on Aug. 13, 2025. (Photo by Claudia Martini/Xinhua)