One of our frequent bloggers has been featured as a guest blogger this week on one of our favorite blogs: He Thought of Trains. Check it out:? Berlin’s Soviet Guarded Ghost Stations Yet more fascinating rail history today courtesy of Candice O?Reilly from Trav Addict. ?This time around we delve deep into the annals of Berlin?s subway stations, during the 28 years in which the city was divided by the Berlin Wall. ?