Stock Photo - L-R Martin Dostal, curator, and Jan Pistek, son of Czech artist Theodor Pistek, speak about Pistek father's exhibition named ANGELUS, in Brno, Czech Republic, on September 24, 2019. (CTK Photo/Vaclav Salek)

Stock Photo: L-R Martin Dostal, curator, and Jan Pistek, son of Czech artist Theodor Pistek, speak about Pistek father's exhibition named ANGELUS, in Brno, Czech Republic.