Friedrich Kunath’s recent exhibition “Hello Walls” was his first at BQ since the Cologne gallery relocated earlier this year to Berlin, where gallerists Jörn Bötnagel and Yvonne Quirmbach have opted against maintaining a permanent display space in favor of an itinerant structure utilizing temporary sites around the city. On this occasion, BQ inhabited a ground-floor apartment in a prewar building just behind Humboldt University. The air of domesticity was accentuated by the inclusion of thrift-store finds such as a worn-out bed, a flip-style alarm clock, table lamps, and candles, plus wall-to-wall