the London cab is the icon that has survived the longst, but, of course, thedesign has changed a lot! Thefirst cab, introduced in the 17 century, were pulled by horses. Although traditionally black, they also come in other colours, including gold! Nowadays more and more cabs are being covered all over in advertising. Today, you can also travel in them in other world cities but it will cost you a little more than the original taxi fare ofsixpence!