Ars Electronica: Taiwanese dance Performance in Linz's St. Mary's Cathedral"The Mirage Replicas 2.0" by artist Yen-Tzu Chang to be seen a total of seven times in the cathedral church  The artist at "work"At this year's Ars Electronica Festival in Linz (6 to 10 September), St. Mary's Cathedral will once again be the venue for artistic performances. For example, the dance performance "The Mirage