Chapter 873 Taking Yuno and Sisi to Cloud City

• Yun Sinan smiled and then pointed to the sketch she drew.
• "Suppose this building in the picture is a civil defense project under construction. The area above the horizontal line represents the part of the project that is exposed above the ground. The security department has installed enough surveillance cameras in this area, which means that the monitoring of this area is sufficient." With that, she looked up and glanced at General Bei.
• It has to be said that Yun Sinan's analysis made some sense. General Bei pondered for a moment and nodded, "You're right, but then what?"