PHOTOS: Mysterious group in black at Bayern Munich, Juventus and Chelsea matches

A group of mysterious figures showed up at Bayern Munich's clash with Hertha Berlin at the Allianz Arena on Saturday. They were 11 men, just as many as members of a football team.

The members of this group wear black with a round logo recently seen in various areas of the world such as Rio de Janeiro and New York.

It is said that this mark is the same one used by USA upon starting its UFO experiments. On the other hand, a conspiracy theory suggests that in 1960s, NASA received this message from Aliens but it kept it hidden. The latter seems to be just a typical conspiracy theory.

This mark kept spreading and joined Twitter as #WINNERTAKESEARTH. Major media suggested it was a promotion of a TV show or a movie coming soon, but the mark kept using the same phrase of "Winner Takes Earth."

On Sunday, the group reappeared again at Stamford Bridge attending Chelsea vs. Man City game, and at Juventus Stadium. They focus on tourist and sport places.

At Bayern Munich's game at Allianz Arena

At Bayern Munich's game at Allianz Arena

At Bayern Munich's game at Allianz Arena

At Chelsea's game at Stanford Bridge

At Chelsea's game at Stanford Bridge

At Chelsea's game at Stanford Bridge

At Chelsea's game at Stanford Bridge

At Juventus' game in Turin

At Juventus' game in Turin

At Juventus' game in Turin

At Juventus' game in Turin