英文關鍵字
calamity
catastrophic
change
climate
dam
damage
danger
dangerous
destruction
deventer
disaster
emergency
environment
environmental
evacuation
extreme
flood
flooding
gelderland
global
hazard
holland
ijssel
insurance
landscape
natural
nature
netherlands
park
plains
pollard
protection
rain
rescue
river
road
safety
severe
stream
swans
tragedy
urban
warming
warning
water
wavy
weather
willow
worp