blue sky
chain
chain drive
clamshell
clearing
climate change
climatic change
coast
construction machine
demolition
dike
dredger
dyke
ecosystem
embankment
environment
environmental damage
environmental degradation
environmentally destructive
equipment
excavator
excavator shovel
fence
flood control
flood protection
flood protection dam
germany
global warming
iron
isolation
levee dike
loneliness
long
meadow
metal
mud flats
national park
north sea
shallows
the
track vehicle
wadden sea
west coast
work
yellow