機器
ancient
arch
architecture
bavaria
bridge
broken
building
canceled
connections
construction
construction site
container
creek
crooked
crossing
curve
destroyed
destruction
disasters
distribution
drinking
equipment
flood
flow
fracture
healing
industry
joints
lake
nature
neighborhood
outdoor
outside
overlook
pier
repair
river
road
soak
steel
steps
structure
submerged
support
tanks
transport
transportation
water
work