At the first glance, they seem to be just ornaments, but in fact they have a deep historical meaning: in front of the first Japanese Imperial Palace, built in 794 in Heian-kyo (today's Kyoto), these two trees were indeed flanking the palace.
On the anniversary of 1100 years since Kyoto was established as a capital, a replica of the Imperial Palace was built in the Heian Shrine. And the two trees were also planted in front of the main building: here they are, photographed during the cherry tree's full bloom. But the orange tree doesn't bloom during the same period...
EXIF info:
Nikon D90
Lens: 8-16mm F/4.5-5.6G
Focal Length: 16mm
Aperture: F/5.6
Shutter Speed: 1/250s
ISO Sensitivity: ISO 200