In this composite image a comparison has been made of Scotland Yard. Commemorations of The First World War Centenary begin in 2014 and will last until 2018.
*** COLOR 2014*** LONDON - MARCH 17:  A gated barrier runs near Scotland Yard on March 17, 2014 in London, England. A number of events will be held this year to commemorate the centenary of the start of World War One.  (Photo by Peter Macdiarmid/Getty Images)
***ARCHVE 1910s***  A large crowd of men respond to a call by the War Office for married men aged between 36 and 40 to become munition workers. They gathered outside the Inquiry Office at Scotland Yard in London, England during World War 1. (Photo by Paul Thompson/FPG/Getty Images)