Tempelhofer Feld in Berlin is a massive open space that used to be an airport but now serves as a playground for all kinds of activities like skating, picnicking, and bird watching. It's like a giant green oasis in the middle of the city where you can escape the hustle and bustle. People have even turned it into a cool spot for community projects and events. So, if you're looking for some sky, space, and freedom in Berlin, Tempelhofer Feld is the place to be!