When the carriage is hidden behind the farmhouse, its position in relation to the shadow changes between shots. As it is driven behind the building, it is in shadow; when next shown it is out of the shadow.
The banners promoting the Mille Miglia indicate that it was the seventh event (VII). However, the seventh running of the event was in 1933, and Beau Geste was not released until 1939. The Mille Miglia was not held in 1939.