a dreamy very large open interior in the style of mc escher, black marble floors with cobalt blue highlights, glass mirrors, hyper realistic art, in the style of national geographic, 4 k, hyper realistic, coherent design, symmetrical, vivid colour, trending on art station, in the style of pi - slices, complementary colour, golden ratio, detailed, sharp lines, intricate, rainbow shift, in unreal 3 d engine, ray tracing, octane render 