Work for its conservation started 85 years ago and to maintain its authenticity, almost everything was done with traditional techniques. The only modern method was the injection of concrete in the foundation, to strengthen the base against earthquakes.
EXIF info:
Nikon D700
Lens: VR 28-300mm F/3.5-5.6G
Focal Length: 120mm
Aperture: F/7.1
Shutter Speed: 1/200s
ISO Sensitivity: ISO 400