This comic strip has been started by students from SOU “Tsar Simeon Veliki”, Vidin, Bulgaria, participants in ESFALP IV project. The final version of the booklet is produced in collaboration with students from Nolaskolan, Örnsköldsvik, Sweden. Both schools have been partners in eTwinning project and in Bilateral Comenius project. The Projects titel is ‘Together for clean rivers and sustainable future’ 2012-2014.
