Polish Docs, an initiative organized by the Polish Film Institute and the Krakow Film Foundation, has published a report with the summary of Polish documentary releases, awards and festival screenings. In 2011, Polish documentaries were presented at more than 240 international festivals and received over 60 awards. The most successful films include Charcoal Burners by Piotr Zlotorowicz, Argentinian Lesson by Wojciech Staron, Marcin Koszalka's Declaration of Immortality, and A Piece of Summer by Marta Minorowicz.