rakete (the rockets), soviet buildings in zagreb, also known as richterovi neboderi (the

architectural functionalism architecture significance skyscrapers residential richterovi yugoslavia apartments historical midcentury minimalist monumental skyscraper structural buildings completed brutalism cityscape modernist socialist neboderi building concrete croatian cultural heritage highrise landmark towering yugoslav croatia rockets richter history eastern postwar skyline realism zagreb august rakete soviet blocks europe former iconic legacy unique design urban 2024 1968 city bloc era