I was asked to illustrate the poem 'A mi madre' by Spanish poet Leopoldo María Panero for the campaign Libros a la calle. This campaign brings books to subway and bus travellers in Madrid.
This is the process of the drawing.
Music
"Hauschka" by DC9V (freemusicarchive.org/music/DC9V/PRESS_RECORD/06_Hauschka)