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"Divided into two separate buildings—K20 at Grabbeplatz and K21 in the Ständehaus—this renowned institution presents both major permanent works and rotating exhibitions. K20 is home to European modern masters such as Klee, Matisse, Mondrian and Picasso as well as important American artists including Andy Warhol, Jackson Pollock and Jasper Johns, while the avant‑garde K21 concentrates on international art created after 1980." - SilverKris