Retro Travel Poster Illustration: Summer Afternoon in a City Park

Create a vertical editorial travel illustration inspired by vintage European travel posters, depicting a serene summer afternoon in a large city park with a recognizable Manhattan-style skyline in the background.

Use delicate, hand-drawn ink outlines combined with soft, slightly imperfect watercolor washes, applied to warm-textured cream paper.

Show a wide green lawn filled with people relaxing, reading, strolling, jogging, cycling, and picnicking. In the foreground, a young couple in casual attire sits side-by-side on a picnic blanket, with a woven basket beside them.

Include elegant black vintage park lampposts, winding paths, lush leafy trees framing the composition, and detailed historic and modern skyscrapers towering behind the park. Near the bottom of the frame, add a small, picturesque stone arch bridge spanning a calm pond.

Use soft sage green, olive green, warm beige, soft blue, light gray, and subtle golden sunlight, incorporating natural watercolor bleeds, paper texture, fine pen shading, and an ethereal, delicate travel journal aesthetic.

Vertical 4:5 composition, highly detailed, elegant, nostalgic, handmade watercolor and ink line illustration.

Avoid: No text, no letters, no logos, no typography, no titles.

Translated from Chinese by AI.

創作一幅受復古歐洲旅行海報啟發的垂直編輯旅行插圖,描繪一個大城市公園中寧靜的夏日午後,背景是可辨識的曼哈頓風格天際線。

使用精緻的手繪墨水輪廓線條,結合柔和、略帶瑕疵的水彩暈染,施於溫暖質感的奶油色紙上。

展示一片寬廣的綠色草坪,充滿人們在放鬆、閱讀、散步、慢跑、騎自行車以及野餐。前景中,一對休閒裝扮的年輕情侶並肩坐在野餐毯上,旁邊有一個編織籃。

加入優雅的黑色復古公園燈柱、蜿蜒小徑、茂密的葉子樹木框構構圖,以及公園後方聳立的細節豐富的歷史與現代摩天大樓。在畫面底部附近,添加一座小巧如畫的石拱橋橫跨平靜的池塘。

使用柔和的鼠尾草綠、橄欖綠、溫暖米色、柔藍、淺灰,以及微妙的金色陽光,融入自然的水彩暈染、紙張紋理、精細鋼筆陰影,以及空靈精緻的旅行日誌美學。

垂直 4:5 構圖,高度細節,優雅,懷舊,手工感的水彩與墨線插畫。

避免:無文字、無字母、無標誌、無排版、無標題。