A clear, directly top-down photograph of shanghai landmarks as realistic miniature 3D magnets, arranged neatly in parallel lines and right angles, knolling on a neutral surface. At the top-center, place a souvenir magnet displaying the city name written in Chinese characters, and a handwritten post-it note also written in Chinese characters showing the current temperature and weather conditions. Incorporate realistic miniature items necessary for today's weather into the knolling arrangement. No repeats of any object. Aspect ratio 1:1.