 Complete the following phrase:  The building, which lies to the south of the Schloßplatz, was constructed from 1962 to 1964 by the architects Roland Korn and Hans-Erich Bogatzky. It incorporates in its asymmetrical facade the Karl-Liebknecht-Portal Portal IV, a fraction of the facade of the former Berlin Palace Stadtschloss comprising the balcony from which Karl Liebknecht proclaimed a Free Socialist Republic of Germany on 9 November 1918, on the eve of 