Are there cameras on the top floor of the apartment?

No

Camera (CAMERA or WEBCAM) is a video input device, a type of closed-circuit television, which is widely used in video conferencing, telemedicine and real-time monitoring. .

Cameras generally have basic functions such as video photography, communication and static image capture. After collecting images through the lens, the photosensitive component circuit and control components in the camera process the images and convert them into what the computer can The recognized digital signal is then input to the computer through a parallel port or USB connection, and then the software restores the image to form a picture.