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...。In 1966 the Spanish Army built a huge cemetery with over 5000 graves at Mirandilla Valley in Burgos for the final sequence in the film "The Good the Bad and the Ugly". After the shooting, the whole place was left behind and for 49 years, nature covered every tomb. In October 2015 a group of film fans decided to start digging - and under 3 inches of ground they found the origina...。