The structure photographed here, a square roofed pavilion opened on three sides and prolonged by a corridor, is called kaguraden ("dance hall") or maidono. Ths is the scene where the miko shrine maidens are performing kagura, ritual dances offered to the kami ("gods").
EXIF info:
Nikon D700
Lens: 24-70mm F/2.8G
Focal Length: 24mm
Aperture: F/7.1
Shutter Speed: 1/160s
ISO Sensitivity: ISO 320