This set us wondering as to whether there had ever been a pathway above it. The same year we were told that the chapel courtyard round which the passage had gone had been enlarged.
In August, 1907, two friends reported to us and photographed a mark on the outside of the courtyard wall, showing where it might at some time have been raised.
In March, 1908, another mark on the chapel was discovered, revealing that there had once been an inner wall to the courtyard, which might have been removed when the courtyard was enlarged. We also found out that the levels were so different that the passage would have been partly underground on the side of the French garden, but in the rez de chaussée in the courtyard and where it flanked the cour d'honneur. We noticed from the photographs that the bastion at the south-west corner of the house in the cour d'honneur looked older than the top part of the wall adjoining it above the chapel courtyard.
In September, 1910, permission was given to enter this courtyard; when within, it was definitely explained that above the kitchen
