The board exhibition Solidarity and Support, prepared in 2015 by the Dulag 121 Museum, is devoted to the wide-ranging relief action for the expellees, which was organised by legal and clandestine aid organisations and thousands of volunteers. Although the action affected hundreds of thousands of Warsaw residents, the subject has not received any wider coverage over the years. The exhibition presents in a synthetic way (on 20 panels) the successive stages of the exile and wandering, the forms of assistance provided to the exiles and the organisations involved in helping them. The historical narrative is accompanied by rich source material: excerpts from reports of aid organisations and accounts by witnesses to history, archival photographs and documents, as well as maps and infographics showing the course and scale of events at the time.