When the Romans arrived in Barcelona, Lambra Street was still a muddy, slow-moving river. Rambla means "sand" (raml) in Arabic. Now, it has become one of the most famous boulevards in Europe, extending downward from Catalonia Square to the port area, spacious streets, streets lined with rows of tree trees used to shade, the first day we did not go to the direction of the harbour, but towards Catalonia Square, the streets crowded, noisy, Asian and African skin color, all kinds of language. Interlaced words, there is a feeling of Nanjing East Road, which is tourism, compared to the local people are very few. The shops on the street are really not characteristic, so they began to turn into small alleys, and have the feeling of wandering through the alleys in Shanghai. Many buildings have traces of burned walls, so the vicissitudes of history have been recorded, although unknown, the map can not find, or can not help but stop to take pictures. As for many people who call Lambra Street the Street of Wanderers, we have studied it from Mr. Yu Qiuyu's 2001 publication "There is no limit for pedestrians". Mr. Barcelona's theme is very clear. It's vagrancy. " Where did this come from, he explained - "The main street in the city is called Wanderer Street, which is crisp and neat. There is a very similar word in English, spelled ramble, which means "walk, roam", so Mr. Yu took Spanish as English and translated Rambla into "vagrant".