Stock Photo - Prague must prove its proprietary right to Czech Art Nouveau artist Alfons Mucha's Slav Epic paintings through acquisitive prescription, Prague 1 District Court ruled on January 8 ,2020, in Prague, Czech Republic, and adjourned the proceedings until April. In his lawsuit against the city, the painter's relative, John Mucha, center, claims that Prague never became the owner of the cycle of paintings since it did not fulfil the author's prerequisite of building a special exhibition space for them. Alfons Mucha (1860-1939) painted his Slav Epic cycle with motifs from the legends and more or less remote history of Slavonic nations in 1911-1928. The paintings' size ranges from about 4x5 to 6x8 metres. On the left side is seen John Mucha's advocate Frantisek Vyskocil. (CTK Photo/Katerina Sulova)