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Unseen is an immersive soundwalk from which reimagines places which have been lost on the map of Warsaw, Poland.

Season 1 concentrates on the Interwar period and the area that is now Defilad Square and the Palace of Science and Culture.

Season 2, made in partnership with the Warsaw Rising Museum, is all about the most daring stories from the Warsaw Uprising, which took place over 63 days from August 1st to October 2nd 1944.

Season 3 is about the most significant locations from the Jewish history of Warsaw, a city that at its peak saw a third of its citizens identify as Jews.

Feb 18, 2019

One of the tallest office buildings on this pre-war street became the heart of Polish Radio for a decade.

The radio station provided broadcasts for almost the entire country, with a super-charged 120kW transmitter – the most powerful in Europe when constructed – broadcasting from Raszyn, just outside Warsaw.

The building on Zielna Street has another history though. It was at this address that the Polish Communist Workers’ Party was founded soon after the country regained independence in 1918, although it soon became outlawed…

Further reading on

After World War II, Polish Radio provided a certain amount of artistic freedom with the creation of the legendary Polish Radio Experimental Studio:

With thanks to:

  • The Polish National Digital Archive, for providing Polish Radio archival recordings relating to the outbreak of World War II on 1st September 1939 (Ref: 33-P-571)
  • Wojciech Oleksiak, the lead producer of sister podcast Stories From The Eastern West, for providing the voice of the radio announcer.
  • Alicja Baczyńska, your audio guide, for help with acoustic mapping throughout the Unseen project.