At present, in large cities the most intensive construction work is
carried out in the central areas of cities. Such areas are attractive
for the investors since they already equipped with the required
infrastructure and with highest population intensity, and on the other
hand, with the historical and prestigious buildings. In this regard, the
vertical development of cities was a feature of the two previous
centuries 19th and 20th. However, in the 21th century, the main sign of
modern urban construction is the desire for the development of
underground space. Under city constructions, are not only metro networks
and highways, but also multi-level public facilities like theatres,
shopping centres, parking lots, sewage treatment plants, etc. the
construction of large commercial and administrative underground
complexes in combination with the above-ground residential development
give the maximum economic and social benefits. World experience
indicates that for a comfortable stay in a metropolis, the volume of
underground areas should be 20-25% of the total construction.