A vibrant poster of a Hakka Tulou village, featuring multiple roundhouses clustered together against a backdrop of lush mountains. The roundhouses, with their earthen tones, stand out against the greenery, with a bright blue sky overhead. The composition highlights the harmony between the architecture and nature, with people engaging in daily life around the structures. Created using: vivid colors, traditional Chinese design, rural landscape, hd quality, vibrant contrasts, detailed architectural elements, natural textures, panoramic view