When you look at the following image in Figure
5-1, what do you see? You will probably notice the people walking, the street signs, the buildings, and even the lights and the storefronts. From the image, you might recall memories of similar bustling streets that you yourself have walked on or times spent with your family and friends in the city. Smaller details in the picture, such as the sign for the “Restricted parking ZONE,” will probably stand out to you, and other information, such as the national flag of the United Kingdom, will give you clues and details about where the image was taken. Moreover, ...