Construction, Restoration And Renovation Of Public Spaces In The Central Part Of The City Of Sofia Under Op. "Regions In Growth" Program 2014 - 2020, Under The Procedure Of Direct Provision Of Non-Grant Financial Aid "Sustainable And Integrated Urban Development", Name Of The Procedure: Bg16Rfop001-1.001-039 "Implementation Of Integrated Plans For Urban Reconstruction And Development 2014-2020"