The Borussia Dortmund players were caught on camera preparing for their Champions League clash against Arsenal tonight in a local park in London.
Coach Jurgen Klopp took his players to Regent's Park this morning to do some training ahead of tonight’s match at the Emirates Stadium.
Perhaps Dortmund were so relaxed because they have already qualified for the last 16 of the Champions League.
The German club have won all four of the Group D games and will win the group if they pick up all three points at the Emirates.
On the other hand, Arsenal are five points behind Dortmund in second place with seven points.