In today's photo from the Taiyuin Mausoleum in Nikko, you can see another, less common traditional decoration, representing an inverted lotus bud, called gyakuren.
EXIF info:
Nikon D300
Lens: 18-70mm F/3.5-4.5G
Focal Length: 18mm
Aperture: F/5.6
Shutter Speed: 1/50s
ISO Sensitivity: ISO 500