This image description is for a vector illustration of Santorini, Greece. The illustration is created in the style of Olympus XA2, with dark sky-blue colors. It is designed for ad posters and features bold graphic illustrations with bold and cartoonish lines. The image is in ultra-high definition (UHD) and should accurately depict the beauty and charm of Santorini. The image dimensions are 500-1000 pixels for the width and 250 pixels for the height.