In the projection show of Hanshu Gate, several Krinda C-UW2000L laser projectors with a brightness of 20600 lumens were used. This projector features excellent dual color laser technology and unparalleled precision color restoration function, with automatic calibration and fusion software, making it easier and faster to set up, align, proofread, and maintain the projector system. It can easily present a brilliant and unparalleled interpretation of light and shadow for the ancient city wall, making the majestic city gate stand tall during the day and radiate the beauty of technology and modernity at night.