Translate the following English sentence to French:
"The complexity which exists in Europe in relation to the recognition of qualifications gives rise to documents such as this, which, despite the efforts of Parliament and the Commission itself, is a real 'collage' ."
La complexité de la reconnaissance des qualifications en Europe donne naissance à des documents comme celui-ci qui, malgré l'effort du Parlement et de la Commission elle-même, est un véritable "collage".