共和国早期科教片 链接：https://b23.tv/av55736947/p25
The dream of sending humans to Mars is closer than ever before. In fact, many scientists think that the first person to set foot on the Red Planet is alive today. But where should the first explorers visit when they get there? Horizon has gathered the world's leading experts on Mars and asked them: where would they go, if they got the chance - and what would they need to surviv...
非洲象已不足40万头，而中国是第一大非法象牙消费市场。为打击非法象牙交易，一连串行动展开，致力保育非洲的野生动物。
神秘瘟疫摧毁了地球并把大部分的人类变成了吃不饱的嗜血动物，多年之后，一个离群索居的漂流者在猎杀变异人的途中在一个废弃的警察局里与一群幸存者偶遇，然后不情愿地同意尽力保护他们帮助他们逃往庇护所。
