osaka castle

age ages ancient antique architecture art asia asian attraction background beautiful blossom blue bridge building buildings castle cherry chuo chuoku closeup count culture day decorate decoration design details emperor entrance famous feudal fight fort fortress grand grove heritage heron himeji himejijo historic historical history japan japanese kansai kobe landmark location main mume osaka osakajo pedestrian popular prunus sakura sightseeing sky tour tourism tourist tourists tower travel unesco white winter world