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 Güell, Park, S′ûtadel′, Sagrada Familia, Montjuic ...
Barcelonaisabeautifulcity,youcanwalkonit,enjoyedthebeautyandcolors,besuretovisitParcGüell,Park,S′ûtadel′,SagradaFamilia,Montjuic...