The image is a photograph of a large red sign with Chinese text on it. The sign is located on a grassy hill with a clear blue sky in the background. The text on the sign is written in both English and Chinese characters.

The sign is rectangular in shape and has a black background with white text. On the left side of the sign, there is an image of a map of a city with various buildings and roads. The map is in black and white and shows the layout of the city with roads, buildings, and other landmarks. The numbers on the map are in red and are arranged in a grid-like pattern. The words "50" are written in large, bold letters at the top of the red sign.