antenna
blue
cloud
clouds
cloudscape
communications tower
construction
construction platform
control
copy space
direction
equipment
gray
green
high up
information equipment
isolated
marine safety equipment
marines
metal
microwave tower
military
radar
radar station
railing
reflector
safety
safety equipment
satellite dish
sillouette
silver
sky
spinning
stateofart
surveillance
tall
technology
telecommunications equipment
tower
turning