The internet is carried by cables under the sea - and those cables are everywhere.
"The world's undersea internet cables - interactive
The world's internet network has been damaged by an anchor landing on a key cable where it hits Kenya – the East African Marine System. The undersea cables are a remarkably historic but efficient way of supporting the information age, and their network is everywhere. This map from telecom data specialists Telegeography shows the full extent of that network. Zoom in, out and around the map or click on the navigation on the right to explore it [...]"