attractions
blue sky
cape
coast
coastline
deposits
earth science
echigo
empty
fossil
fukushima
geology
green
hijijiy
iso
japan
journey
kashiwazaki
kashiwazaki city
kashiwazakikariwa nuclear power plant
koshinetsu region
mountain
mud layer
natural
niigata
niigata prefecture
observatory
piling up
prospects
rock
rocky
sand layer
sand mud mutual layer
sandstone
sandstone mudstone mutual layer
scenery
scenic spots
sea of japan
seigahana
stacking
strata
strata turbulent mud flow
sunny
the observatory
turbidite
yoneyama