Illustrate a symmetrical and visually stunning aerial perspective of an office atrium room housed within a massive, two-level black cave, reminiscent of giant cubes. Infuse the space with elastic and fluid forms inspired by the works of Yayoi Kusama, complemented by intricate parametric designs and futuristic décor. Incorporate elements of Gaudi and Zaha Hadid architecture, with wavy and organic shapes accentuating the room's grandeur. Large windows flood the space with natural light, enhancing its ethereal beauty.