Polish President Andrzej Duda has concluded his visit despite the suspension of the Constitutional Tribunal's head. The Prosecutor General filed five motions to the Constitutional Tribunal. Anna Korwin-Piotrowska has been appointed to head the Constitutional Tribunal. Meanwhile, Poland has approved the early fast-track renewable energy zones. Researchers in Poland have begun working to restore the bison population in Eastern Europe. Poland's Foreign Minister Radoslaw Sikorski was part of other G20 Foreign Ministers in rejecting a photo op with Russia's Foreign Minister Sergey Lavrov.