视频简介
Clara is given an enchanted Nutcracker doll on Christmas ***. As midnight strikes, she creeps downstairs to find a magical adventure awaiting her and her Nutcracker. The magician Drosselmeyer transforms the drawing room for a battle between mice and toy soldiers. During the battle, Clara saves the Nutcracker's life - so breaking a magical spell that turned him from a boy to a ...。大卫·爱登堡爵士（Sir David Attenborough）深究当今世界的灭绝危机，探索造成动植物迅速灭亡的原因，揭示针对这一全球问题可能的解决方案。在仅仅40余年的时间里，动物数量已缩减了六成。现在，有百万个动植物物种濒临灭绝；若不采取紧急措施，其中更有许多将在接下来几十年的时间内消失。究其原因？爱登堡爵士展开调研。他探索这场危机背后的人为因素——包括狩猎、有毒废物、以及将土地转而用作农耕。爱登堡爵士还揭示了有望带来转机的举措。负责任的消费行为、减少肉食摄取、降低碳排放——这些行为都具有可以逆转形势的潜力。只要我们不坐视不理，就有机会让自然界的时钟倒转。。When a prototype automated worker robot named Auto has proven successful on the night shift at Alert Insulation, plans are put in motion to replace almost all the human employees with the next generation of robots -- but to Auto's dismay, he is also to be replaced by the new and improved robots -- something he refuses to accept, and takes murderous action to prevent.。