Cross section of a tunnel with pipes and cables.
Keywords
tunnel,
cross,
section,
pipe,
cable,
illustration,
underground,
construction,
infrastructure,
engineering,
conduit,
tube,
passage,
subway,
subway,
transport,
utility,
system,
network,
blue,
green,
yellow,
red,
white,
grey,
interior,
view,
perspective,
abstract,
geometric,
design,
diagram,
schematic,
technical,
modern,
urban,
city,
development,
project,
work,
progress,
future,
technology,
industry,
service,
connection,
flow,
energy,
water