During the Obon Buddhist festival, it is considered that the souls of the dead ancestors are returning home. At the end of the Obon celebrations, these souls need to return back, and the floating paper lanterns are guiding them towards their world...
EXIF info:
Nikon D300
Lens: VR 70-300mm F/4.5-5.6G
Focal Length: 165mm
Aperture: F/6.3
Shutter Speed: 1/60s
ISO Sensitivity: ISO 1600