+-----------+ travel +--------+
| Aachen | ------+-----------------> | Zittau |
+-----------+ | +--------+
|
| travel
|
+-----------+ |
| Dachau | ------+
+-----------+ |
|
| travel
|
+-----------+ |
| Buxtehude | ------+
+-----------+ |
|
| travel
|
+-----------+ |
| Cottbus | ------+
+-----------+