According to police, a fine or a prison sentence up to 3 years is possible for a pair of Chinese tourists who made a particular gesture outside the Parliament building this week.
Germany has strict laws on "hate speech" and symbols linked to Hitler and the Nazis. The Nazi organization is "banned" in Germany.
The law is more commonly used to prosecute Germans who have far right political ideas.
The two men were released on a bail of around $600 each and are allowed to leave the country, and when the sentence is finally decided (in their absence), the bail money will probably be enough to cover it.