Beijing in the Clouds: A Dreamlike Digital Oasis

Create an ultra-high-definition, hyper-realistic digital poster featuring a miniature island shaped like Beijing floating above white clouds in the sky. Seamlessly integrate Beijing's unique iconic landmarks, natural landscapes (such as forests and mountains), and cultural elements. Carve the word "BEIJING" into the terrain using colossal white 3D letters. Add artistic details to enhance realism, including birds specific to the city, cinematic lighting, vibrant colors, an aerial perspective, and sunlight reflection effects. Ultra-high quality, 4K+ resolution. 1080x1080 format. 

City: Beijing.