Most of the area belonging to the German state of Brandenburg today is called Lower Lusatia (Niederlausitz or Dolna Łužyca) and is characterised by forests and meadows. In the course of much of the 19th and the entire 20th century, it was shaped by extensive coal mining.
Today, the abandoned mining areas are recultivated. The ground is shaped by natural forces like rain and wind and constitutes an important biosphere reserve.
Many birds, insects and other animals find refuge and breeding grounds here.
For more information, check out the website of the NABU (only in German).