A fantasy world floating in the sky, with lush green grass and blue water, featuring islands covered by white clouds, castles, towers, bridges, gardens, forests, mountains, rivers, lakes, and many other natural landscapes. The background is a deep blue sky filled with fluffy white clouds. In one part of it lies an island with buildings made from crystals, glowing softly in the sunlight. This scene creates a magical atmosphere that resembles something lively and colorful. --ar 3:4 --niji 6