 From 1953, critical opinions in the Party were increasingly frequent, and the doctrine was given up in 1956 marking the end of Stalinism.The soc-realist centre of Nowa Huta is considered to be a meritorious monument of the times.This period in postwar architecture was followed by the mass-construction of large Panel System apartment blocks, most of which were built outside the city centre and thus do not encroach upon the beauty of the old or new towns.