16:9 horizontal Vietnamese historical illustration on warm antique paper, centered ink-wash scene, clean negative space. Scene about Lý Nam Đế and Vạn Xuân: Nhưng dù thời gian hòa bình không dài, việc Lý Nam Đế dựng nước đã đánh dấu một bước ngoặt.. 6th-century Giao Châu, ancient Vietnamese villages, banners, rivers, mountains or marshland as appropriate. Muted sepia watercolor, charcoal lines, dignified cinematic composition, historically grounded. No text, no labels, no watermark, no modern objects, no fantasy armor, no guns.