Note about the author: Urban art collective in Valencia born in 2000. XLF means (X La Face=Por La Cara= By The Face). The creative union of the XLF collective was the starting point for the careers of now prestigious urban artists such as Deih, Julieta, Mr. Marmota, Xèlön, On_ly, Hope, Cesp, Escif or Barbiturikills.