Advertising, Marketing and Communication Design Guangzhou Metro Spirit Lightbox Poster by Zhaohui Lu Guangzhou Metro Spirit is a series of lightbox posters created for a city metro system. The posters show young workers in scenes of technology, service, design, construction and culture. Strong contrasting colors, bold graphics and short text give the series a modern and youthful look. Each poster is made with acrylic and high-brightness LED lights with low energy use. Eight posters are installed in each of twenty-four stations. The series communicates the professionalism and the diversity of the metro services.