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The ancient tower in the heart of the city hung over 5,500 telephone wires
Telefontornet tower, built in the 19th century in Stockholm, used to be a center for hanging bunches of cables with a total length of 5,000 km.
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Telefontornet tower, built in the 19th century in Stockholm, used to be a center for hanging bunches of cables with a total length of 5,000 km.
Scientists from the US National Oceanic and Atmospheric Administration (NOAA) said countries can use the existing cable network to alert tsunamis.
The fiber optic system connected to the Internet under the seabed has a total length of 885,000 km, enough to run 22 round the Earth.