Preliminary reports from various sources are putting the Chartres pilgrimage at around 10,000 participants, just FYI.
Roger, a reader of the NLM who was on the pilgrimage made this video of some Bavarian Chartres pilgrims.
Hat tip to Father Laurent Demets, FSSP, blog De Fide Catholica, where he has pointed out this French television news report on the Chartres pilgrimage: