A square 1024x1024 image evoking the atmosphere of a vibrant, slightly chaotic interwar city in Romania. The style should be reminiscent of vintage travel posters or early 20th-century illustrations, with a painterly quality. The main imagery features a bustling city square at twilight, with the silhouette of old, ornate buildings on one side and hints of a developing, more modern facade on the other. Suggestion of cobblestone streets. In the foreground, a few indistinct, stylized figures are walking, conveying movement and life. Subtle elements of light and shadow should create a sense of depth and intrigue. The color palette is warm and evocative, featuring rich ochres, deep blues for the twilight sky, hints of burnt sienna for buildings, and soft golden light emanating from unseen windows. The overall mood is a blend of nostalgic charm, lively energy, and a touch of underlying melancholy or anticipation of change. Professional audiobook cover aesthetic, square 1024x1024 format, without any text or logos.