Berlin Wall near Potsdamer Platz where the stretch of both walls is marked, giving visitors an impression of the dimension of the barrier system. After the fall of Berlin Wall, there were initiatives that they want to preserve the death strip walkways and redevelop it into a hiking and cycling area, known as Berliner Mauerweg. It is part of the initiative by Berlin Senate since 2005. For many years after reunification, people in Germany talked about cultural differences between East and West Germans (colloquially "Ossis" and "Wessis"), sometimes described as "Mauer im Kopf" (The wall in the head). A September 2004 poll
Where in Time Is Carmen Sandiego? (video game) teaching the player about both geography and history it also provides practice with using a research book – the New American Desk Encyclopedia comes with the game for assistance. The people, events, and inventions featured in the game hail from period in history ranging from 400 AD to the 1950s – the past 1500 years of human history. The game comes with a 28-page instruction manual. This was the first game in the series to establish that ACME Headquarters is located in San Francisco. The game was released on a variety of different platforms including Apple II (1989), Amiga (1990),