Several other walls and gates were recently rebuilt, and two of the reconstructed gates are visible in this photo: in the forefront you can see the Ninomon gate, and in the background is the roof of the Kuromon gate. The Kuromon gate has the original roof tiles, decorated with various family crests.
EXIF info:
Nikon D300
Lens: 18-70mm F/3.5-4.5G
Focal Length: 18mm
Aperture: F/7.1
Shutter Speed: 1/1250s
ISO Sensitivity: ISO 320