The image is a map of a subway system in London, UK. The map is in black and white and shows the route of the London Underground, which runs through the city of London. The route is marked with a red line, which is the main focus of the map. 

The map is divided into different sections, each with a different name written on it. The names are written in black text and are arranged in a grid-like pattern. The first section is labeled "Wanstead", the second section is titled "Redbridge Gants Hill", the third section is labelled "Newbury Park", the fourth section is named "Barkingside", the fifth section is listed as "Fairlop Hainault", the sixth section is numbered "Grange Hill", and the seventh section is marked as "Woodford", the eighth section is designated as "Buckhurst Hill", or "Loughton".

There are also two lines on the map, one in red and one in black, that run parallel to each other. The red line is a curved line that runs from the top left corner of the image to the bottom right corner. The lines intersect at various points of interest, such as "Leyton Leytonstone", "Snaresbrook", and "South Woodford".