All over the planet, architectural monuments bear witness to the greatness of the civilizations. From the pyramids of Egypt, to the Great Wall of China, the Eiffel Tower, to the Empire State Building, passing by the Colosseum and the Trevi Fountain in Rome… Each monument bears witness to a particular history, a memorable civilization, of an inimitable architecture, and thus inspire powerfully the artist creation process. The Rouen Cathedrals Series by Claude Monet or Piccadilly Circus by George Hyde Pownall are famous paintings of monuments.