architecture
base
basis
below
beneath
bottom
brick
bridge
closeup
construction
detail
edinburgh
fife
firth
forth
forth bridge
foundation
frame
framework
ground
grounding
groundwork
historical
infrastructure
iron
landmark
metal
metalwork
monument
pile
platform
queensferry
rail
railway
red
river
scotland
scottisch
sea
stability
steel
stone
strong
structure
train
transport
truss
under
underneath
water