Remove the spaces from the following sentence: Barcelona is a beautiful city, you can walk on it, enjoyed the beauty and colors, be sure to visit Parc Guell, Park, Sutadel, Sagrada Familia, Montjuic ...
Barcelonaisabeautifulcity,youcanwalkonit,enjoyedthebeautyandcolors,besuretovisitParcGuell,Park,Sutadel,SagradaFamilia,Montjuic...