In rendering it is always productive to use people in silhouette, having the opacity be between 30% to 50 % offers a solid contrast and by setting up a hierarchy of foreground, middle ground and background for your people shows them through the space.
The “Bus Load Effect” n. v. adj., (BLE); giving perspective to your design through the use of silhouetted people. By placing people into both plan and section , and interviewing them, your design can be understood on a human scale. It touches back upon the life lessons learned… as Atticus Finch would say “take [...]