What significant findings, carved into the wooden walls at angel island, are the main cause for its preservation?
a. poetry of its prisoners
b. initials of its prisoners
c. countdown of days made by prisoners
d. list of cruelties committed on prisoners

based on the images pictured above, the major difference between the two cathedrals: the cathedral of notre dame and the amiens cathedral, is that the cathedral of notre dame emphasizes the horizontal lines while the amiens cathedral emphasizes the vertical lines.