4g
aerial
aerials
antenna
average
background
broadcast
broadcasting
cell
cellular
channel
communication
communications
connection
digital
electromagnetic
electromagnetic pollution
engineering
environmental pollution
equipment
frequency
global
information
internet
london
microwave
mobile
network
orobie
phone
radio
receiver
sand
satellite
seriana valley
signal
space
station
structure
technology
telecommunication
telecommunications
telephone
television
tower
towers
transmission
transmitter
tv
wireless
定額
Group of aerials for telecommunications on the mountain top. electromagnetic and environmental pollution. Rena pick. Orobie alps. Bergamo. Seriana Valley. Italyの素材 [FY31069691013]
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