Roman battlefield found deep inside Germany

[D B Campbell]

... and they use clubs. Gotten courious by this ( its from spiral number 11, scene 70 on the Trajan column) I did a "quickndirty"-search running into further information and another picture of barbarians using clubs (as far as my eyes tell me :wink: ) e.g. in spiral 6, scene 38 .
The appropriate links were:
http://cheiron.humanities.mcmaster.ca/trajan/index.html etc
...
But seriously I'm asking myself whether this is "real-life" or just a means of clarifying the difference between Romans and Barbarians?

There is a school of thought that the Trajan's Column iconography has been simplified. But Tacitus certainly claimed that one Germanic tribe used clubs: http://www.romanarmytalk.com/rat/viewtopic.php?p=146137#p146137. I suppose it makes sense.