Yes, the most of them are buried. Many of them are laid beside train tracks, next to utility pipelines, or even inside ancient pipelines to obtain right-of-way. They can also be placed alongside highways or, less commonly, suspended from telephone poles. The internet is a network of wires that transmit digital data at near-light speed across large distances. The internet is transported between countries and continents via a large network of undersea cables. Smaller cables go underground within countries, eventually branching out into each of our homes