Room F4 looking northeast ... AMS Horizontal (normal) ... Room F4 looking northeast.
Room F4 looking south ... AMS Horizontal (normal) ... Room F4 looking south.
F4 north , looking east ... AMS Horizontal (normal) ... F4 north , looking east.
Heavy limestone wall at east. F4 and C11 ... AMS Horizontal (normal) ... Heavy limestone wall at east. F4 and C11.
