Camera-less elevator

It is stipulated in Article 5.0. 1 of Code for Engineering Design of Video Security Monitoring System (GB50395-2007). "The video security monitoring system should effectively monitor and monitor major public activity places, passages, elevators (halls), important parts and areas in buildings that need to be monitored, and display, record and play back images." This regulation is not mandatory, but elevators are important access places, so it is very necessary to install monitoring. But it is not installed on the elevator, as long as it can monitor all people entering and leaving important places;