architecture
barrier
bavaria
bridge
building
canal
canal lock
concrete
construction
control
covered
covered bridge
dam
engineering
environment
flood
floodgate
flow
footbridge
gate
gates
gateway
germany
hydro
industrial
industry
level
lock
open
outdoor
outdoors
overflow
power
regulation
reservoir
river
riverside
sluice
sluice gate
spillway
stream
structure
technology
transport
water
waterway
wolfratshausen
wooden