shirogane waterfall in shirogane onsen in biei, hokkaido, northern japan blue, with turquoise water of pond caused by colloidal a

aluminium asia beautiful biei blue caused colloidal countryside destination emerald environment famous flowing forest furano green hokkaido hydroxide japan japanese journey landmark landscape landscaped mountain natural nature northern onsen outdoor pond river rock scenery season shirahige shirogane summer tour tourism tourist travel tree turquoise view wallpaper water waterfall waterfalls wild