London's Piccadilly Circus has long been famed for the constant streams of cars, buses, cyclists and pedestrians which navigate it every day. Now a stunning photochrom image shows how, even in the 19th century, the interchange was extremely busy - but was thronged with horses and carriages and smartly dressed men and women instead of what we see today. The colour photo - produced using a method invented in the 1880s - is among a collection showing Victorian London in all its splendour which has been released by the US Library of Congress.