am
autumn
autumn landscape
early in the morning
flow
japan
kashiwara city
morning
natural
osaka
outdoor
purification
purification equipment
purification of the valley and the abyss
red sky at night
river
scenery
se and abyss purification method
selfpurification ability
slow shutter
slow shutters
sunny
torrent
water
water flow
weir
yamato river
yon