More.
Here’s what it says on a plaque on the building wall facing these sculptures:
“Jerzy Kalina ‘Przejscie 1977 – 2005’ The idea of ‘Transition’ in the form of installation has been presented in Warsaw at the crossroads of Swietokrzyska and Mazowiecka Streets. A permanent form of this piece was displayed on December 13, 2005 in Wroclaw – a City of special ‘Transitions’.”