OLGA BOZNAŃSKA (1865–1940) / Widoki pracowni, dr hab. Joanna Sosnowska

Round-16 hunt: picked; source: deeper uploads from a strong channel already live; channel already live on Lumen; strict per-title check + final strict pass; title rules; oEmbed verified.

A 19-minute video from Muzeum Narodowe w Warszawie: “OLGA BOZNAŃSKA (1865–1940) / Widoki pracowni, dr hab. Joanna Sosnowska”.

Video by Muzeum Narodowe w Warszawie, played through YouTube's embedded player.