TY JOUR TI TO THE QUESTION OF NECESSITY OF DEVELOPMENT OF UNDERGROUND SPACE OF CITIES KW underground urban underground urban underground space KW architectural space planning solutions KW comprehensive development of underground space. JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Denisova, Y.V. AU Korenkova, G.V. PY 2016 IS 1 PB Belgorod State Technological University named after V.G. Shukhov