PATH: Use of underground Space >> Energy and Water

More and more in urban areas but not only, utilities are built underground. First of them, and already in the ancient ages, sewers were built underground to avoid dissemintation of diseases and bad smells.

In Rome the "Cloaca maxima" has been built in the VI°BC.

Nowadays, more and more utilities are needed, electricity, communication, water, gaz, optic fiber.... They all need to be buried.

In non urban areas, the utilities are of an other type; they have been first associated with hydro power, but now they alos concern, hydrocarbon storage, nuclear waste storage, pipes.