I'm looking for a Spanish apocalyptic-horror movie that I saw about 10 years ago, it may have been an alien abduction movie.

The opening scene, if I remember correctly, was in an underground subway (metro) full of people, the main characters were a group of teenagers or young adults. I remember a scene where they go somewhere on a mountain road and there's a truck accident. Then they walk to various abandoned villages trying to find out what's going on but they find no one. One of the last scenes is the last remaining characters getting abducted by some kind of light but we don't actually see it properly. I think that's all that I remember.