Kumano Kodo pilgrimage trail, highlighting the Diamon-zaka staircase, tranquil and peaceful

kumano kodo pilgrimage japan unesco daimonzaka heritage no people sacred path trail outdoors nature kumano cobblestone stone kodo wakayama hiking nachi woods view foliage scene asia summer asian trees way world scenery pathway steps walkway stairs stairway nachisan course landmark uphill travel natural daimon japanese staircase tranquil peaceful forest