OBSAH
Maddie visits a bike workshop to find out why different bike bells make different ringing sounds. Next, Maddie visits a rugby stadium to see how line markings are painted onto the pitch, so that the players know where to play.
Fotografie
Recenzie
Žiadne recenzie
Osvietenie 
Šeherezáda: nevypovedané príbehy 
Do hlbiny 
