The exhibition for World Art Nouveau Day 2021, which takes place at the Halles Saint-Géry in Brussels, from 10 June to 8 September. This year the World Art Nouveau day 2021 is dedicated to fauna motifs. Among the participants the picture of the building in Smilšu iela 2 designed by architect Konstantins Pekšēns in Riga. The picture (Photo by Marika Vanaga) of the owl on the façade presents the architecture of Riga Art Nouveau.