The Royal Plaza is adjacent to the Las Ramblas. The square is small in size and surrounded by neoclassical buildings with a row of arcades. It is now occupied by many cafes. There is a round girl fountain in the center of the square and there is a street lamp on each side. It is said that Gaudi was 19 when he participated in a municipal building competition. Award works. The headlights are a winged helmet, three and six lamp arms, symbolizing the glory of Barcelona and the commercial strength of the streetlights. These streetlights are gas lights, have lost the role of streetlights, and are still left in the Royal Plaza for visitors to see.