预告片花絮
（以下视频非本片高清画质，仅供本片内容预览）
隐秘 美国版预告片
影片简介
When the thermometer plunges, birds fly south and animals hibernate, but where do all the insects go? Winter brings a cruel drama to the insect world, as freezing temperatures mean certain death for many insects. Head to the icy ponds, orchards, and meadows of Central Europe to witness the remarkable adaptations these creatures have developed to survive and make sure their offspring live on until spring.
