A woman walks through the art work 'A Bouquet of Love I Saw in the Universe' by Yayoi Kusama during the press preview of a retrospective exhibition of the Japanese artist at the Martin Gropius Bau museum in Berlin, Germany, Thursday, April 22, 2021. The exhibition will run from April 23 to August 15, 2021. (AP Photo/Markus Schreiber)