The digital twin platform can enable users to visualize the real-time sensor data in a 3D environment. - The List displays the rooms and locations across HKUST - By touching “Model”, details of different floors of HKUST is visible - Air Quality and other conditions are provided - Use one finger to touch the screen and “move” and “rotate” across the different rooms and locations selected - Use two fingers to“zoom in or out” of the Digital Twin Model