zebadee writes "Music fans who took souvenir T-shirts from a rock festival in Gera, eastern Germany, have discovered they hold a secret message.
The so-called Trojan T-shirts bore a design of a skull and right-wing flags and the words "hardcore rebels".
But, once washed, the design dissolves to reveal a message telling people to break with extremism.
Nice to see that not all Trojans are malicious"
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