The installation Invalid Connection was made for public space and installed in front of the City hall of Lublin in Poland – one of the most Eastern geographical points of EU but the same time the first symbolic point of the West for people who travels from Ukraine, Belarus or Russia. The construction of two different rail standards (EU and USSR) based on idea of political obstacle but the same time become a real obstacle in the pedestrian area. In local political context where the position of Municipality proclaimed as being open to citizens, the obstacle stands the question of how the institution can be really open: only on the formal level or on the level of real openness to the people's proposals.