正在播放的是《地平线系列：火星旅行者指南》的高清完整版。该片是由著名导演Rebecca Harrison Euan McDonald Smith 的一部精彩的纪录 类影视作品，主演有Kara/Beaton/等，本片主要讲述的是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..bbb

同时该系列还有以下影片值得推荐：《午睡的艺术》《日本之耻》《自然世界：企鹅邮局》《无人之境》《寻找外星生命》《永远的车神》