Prompt:

Illustration of spring in Busan, in pastel colors, in the style of Soviet postcards without inscriptions, beautiful houses, cherry blossoms --ar 9:20 --v 7.0 --s 50

釜山春天的插图，采用柔和色彩，类似苏联明信片风格，无文字，美丽的房屋，樱花。