A sixth encrypted bottle post has been found in the river Alster in Hamburg. Still, nobody seems to have a clue what these strange messages mean.

A fifth encrypted bottle post has been found in the river Alster in Hamburg. Still, nobody seems to have a clue what these strange messages mean.

A fourth encrypted bottle post has been found in the river Alster in Hamburg. Still nobody seems to have a clue what these strange messages mean.

A third encrypted bottle post has been found in the river Alster in Hamburg. Can a reader decipher these mysterious messages? Can we find out who is behind these strange bottle posts?