Overlooking the caste moat in front of the skyline of Osaka Business Park. Osaka Castle, Osaka, Kansai, Japan

osaka castle moat skyline business park kansai japan urban development architecture historical landscape nature cityscape waterfront trees modern buildings sightseeing tourism culture landmarks reflections peaceful seasons spring leisure relaxation heritage travel colorful greenery river environment structures blue sky clouds afternoon outdoors scenery scenic viewpoint exploration east asia city living