aqua metropolis osaka
attractions
blue sky
facilities
floodgate
forced drainage
hanshin
japan
kansai
kansai regional
kema bridge
kema drain pump stations
kema lock
kema sluice
kema way
kinki
kinki region
kyyodo river
landscape
okawa
osaka
osaka prefecture
osakashi
river
sky
street
street arts
sunny
the streets
thus the kema
tourism
tourist attractions
tourist destination
town
travel
urban landscape
wastewater facilities
water door
water gate
west japan
wuhu village park
yodogawa river office