A highly realistic depiction of a Christmas-themed office building with innovative public spaces designed on multiple levels, emphasizing festive and dynamic architecture with even more elaborate holiday decor. The grand atrium showcases a massive Christmas tree adorned with intricate ornaments, glowing lights, and a radiant star. The ground floor features luxurious seating areas with modern fireplaces, surrounded by festive garlands and sparkling fairy lights. The second level includes a spacious mezzanine connected by wide, glowing staircases, offering spaces for holiday market stalls and interactive Christmas displays. The third level features expansive elevated public spaces, such as a vibrant ice-skating rink with decorative railings wrapped in Christmas lights and an observation lounge with cozy alcoves featuring snowflake-themed patterns. Additional elements include cascading vertical gardens decorated with festive lights and wreaths, holographic projections of falling snow, and bustling activity with people celebrating, enjoying festive music, and engaging in various holiday activities. The lighting is vibrant and warm, enhancing the magical Christmas atmosphere.