Translate the following English sentence to French:
"We know that most illegal immigration arrives in Western Europe, as a result of smugglers, particularly in the case of those people coming from far-off destinations such as China."
On sait que la majorité de l'immigration clandestine parvient en Europe de l'Ouest, grâce à des passeurs, notamment pour les personnes en provenance de destinations lointaines comme la Chine.