tracts of gable roof receives addressed to the agent. Facades of houses stepped or triangular peaks. Houses of rich burghers sometimes received in the form of a richer decor. More often it was a topic mimicking polychrome wall, and wimpergi tracery. An example of building in the Gothic style is the house of Copernicus in Torun, in Sandomierz Długosz House, oldest building of Jagiellonian University – Collegium Maius, building on ul. Łazienna 22 in Toruń. Town walls and town gates The city walls surrounded, sometimes in place of the earlier shafts and such investment is carried out for many years, making frequent upgrades. Older consolidation often was increased. The sequence is often interrupted by walls tower. Cities sometimes receive a new, second belt walls (e.g., Wrocław, Toruń). Leading to the ornate gates of cities often preceded the late Gothic period barbakanami connected with them neck. First this form of defense on Polish soil was established in Toruń – Barbican Starotoruński of 1426, the best preserved in Poland barbican Barbican in Kraków. To this day preserved fragments of walls, of which most survived the gate, for example, in Szydłów, Sandomierz, Kraków St. Florian's Gate and the Kraków barbican. Significant parts of the walls have been preserved in Stargard, Pyrzyce, Byczyna, Toruń. In Chełmno and Paczków city walls are preserved almost in its entirety. Churches Gothic churches can be found all over Poland, especially in major cities of late medieval Poland, including Kraków, Wrocław, Gdańsk. The St. Mary's Church in Gdańsk is the largest brick church in the world. The Pelplin Cathedral in Pelplin, Pomerania is one of the largest churches in Poland. Kraków's St. Mary's Basilica and Wawel Cathedral are among the most recognisable landmarks in all of Poland. Other buildings See also Culture of medieval Poland References History of Poland during the Piast dynasty Polish art