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culvert
culverts
floodwalls
hilsea
vollenhoven
water channel
schifferstadt
penstocks
infrastructures
casemate
barrages
waterweg
sewerage
infrabel
sluice gate
schimanek
two-stage lock
abutment
underpass
neuengamme
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canalisation
underpasses
infrastructures
souterrain
vollenhoven
infrastucture
streambank
bruecke
schifferstadt
sluice gate
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tunneled
souterrain
tunnelled
undergrounds
the selketal railway
mine shaft
forat
malopolska breakthrough vistula
tunnelling
ditch side
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hydropower plant
hydroelectric
saltmarshes
sewage treatment plant
maunsell
reedbeds
spillway
salthouse
wastewater treatment
abberton
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bridge - building structure
road bridge
bridge piers
overbridges
infrastucture
gangavali river
railway bridge
highway bridge
floodway
overbridge
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disused railway line
aqueduct
viaducts
sweeping viaduct
railway bridge
chmarossky viaduct
railway tunnel
aqueducts
waggonway
viaduct
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underpasses
under the bridge
overpass
underpass
overbridge
viaducts
highway bridge
girder
spans
overbridges
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underpasses
underpass
floodwall
overpasses
culvert
guideway
two-stage lock
culverts
floodwalls
bruecke
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tideway
thamesmead
under the bridge
underpasses
isar
riverbank
underpass
river bank
floodwater
hilsea
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under the bridge
underpasses
underpass
spillway
spillways
wastewater
undercroft
water channel
spans
drainage
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overpass
underpasses
underpass
overpasses
under the bridge
road bridge
guideway
thamesmead
concrete
infrastucture
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underpasses
underpass
culvert
souterrain
tunnel
casemate
pillbox
lötschberg tunnel
tunel
hilsea
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culvert
underpass
underpasses
overpass
under the bridge
hilsea
floodwall
bunker
bruecke
souterrain
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underpasses
overpass
under the bridge
underpass
overbridge
overbridges
pontsycyllte
viaducts
floodwall
girder
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floodwall
storage tank
cooling tower
concrete wall
battlements
cement wall
sluice
disused
dilapidation
collieries
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underpasses
bennettsbridge
road bridge
underpass
highway bridge
overbridges
viaducts
overbridge
kaiapoi
railway bridge
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road bridge
road to nowhere
infrastucture
highway bridge
overbridges
tunnels
autostrade
highways
infrastructures
infrastructural
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railway bridge
disused railway line
viaduct
sweeping viaduct
wolvercote
gapstow bridge
railroad bridge
hilsea
knottingley
kidbrooke
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culvert
lötschberg tunnel
botkyrka
sluice gate
mine shaft
underpasses
railway tunnel
underpass
hietalahti
sollentuna
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culvert
sluice gate
underpasses
underpass
thamesmead
majdanek
embankments
cistern
canalisation
underground car park
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canalisation
water channel
spillway
falkirk wheel
wastewater treatment
sluice gate
weirs
sewage treatment plant
danube lock
aqueducts