Introduction to the Arc de Triomphe: The Arc de Triomf in Barcelona, ​​Spain, is a red brick building built as the main entrance to the 1888 World's Fair. It belongs to the Moorish Revival style. The front lintel is engraved with "Barcelona rep les nacions" ("Barcelona welcomes all countries"), the back lintel is carved with the name "Recompense", and the top is decorated with the provincial emblems of the other 49 Spanish provinces.