It’s constantly hectic with travelers and locals, on the other hand, so you'll want to walk further more from the middle to reach some quieter and cleaner shorelines, such as Sant Sebastià within the south and Somorrostro inside the north (my two favorites). Have a stroll on La Rambla https://exhibition-stand-design-a19753.thezenweb.com/helping-the-others-realize-the-advantages-of-barcelona-exhibition-stand-design-and-build-adam-expo-stand-71717917