Review: 　　In spring 1934 four children come from Praga to Nordpol. They want to rescue a crew of exploratory ship which is blocked in polar sea. 　　Keywords: 　　boy-bath-scene, boy-nudity, girl-bath-scene, girl-nudity 　　Controversial scenes: 　　Bath scene with 3 boys (7-12) and 1 girl (9). Full nudity.