A blue whale floating above the city, balloons flying in the sky, colorful illustration style, detailed cityscape background, soft pastel colors, digital art techniques, surreal atmosphere, high resolution, rich details. The scene includes a large body of water with boats and buildings, creating an enchanting urban landscape. A group of birds flies around, adding to its whimsical feel. This artwork is created using vector graphics software. It's created in the style of professional graphic designers for advertising purposes.