From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). The signs that the protesters hold include the following: "LORD", "GOD", "MUST", "HIS", [Not legible], "[Not legible] Broken".
From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). The banner says, "TEST MORATORIUM". The poster held by someone says, "USA and USSR STOP NUCLEAR TESTING".