As November hikes were less structured it seems like a great opportunity to discuss the ease of accessing natural space via public transit. On the outskirts of Berlin lie wide fields, dense forests, quiet river valleys and picturesque lake landscapes — many easily accessible via the S-Bahn (think Metro North). One of the school fees is a transit card, which makes traveling as far as Potsdam “free” in so far as I just have to show my student id.