英文關鍵字
2021
almost
aqua
bank
banks
bochum
bubbling
catastrophe
citys
copy
currents
dangerous
debris
environment
fast
floating
flood
floods
flowing
front
germany
hattingen
its
july
kilometers
landscape
liquid
meters
natural
nature
normal
now
only
outdoor
overflowed
plants
river
ruhr
scenic
shrubs
space
strong
summer
swirling
times
trees
valley
view
water
wet
wide