edge { arrowstyle: filled; }
graph {
  colorscheme: x11;
  flow: south;
}

[ Cottbus ] { label: Cottbus; }
[ berlin ] { label: Berlin  Ost; }
[ bonn ] { label: Bonn  am Rhein; }
[ bonntest ] { label: Bonn (Rhei   n); }

[ bonn ] -- train (ICE) --> [ berlin ]
[ bonntest ] --> [ Cottbus ]
