I was 19 when the Berlin Wall came down. I remember vividly the photographs of elated Germans atop the wall, and on either side, hammering and pick-axing their way through a structure that came to epitomize the East-West divide during the Cold War.

It's been 20 years since the wall fell. MSNBC is featuring a number of fascinating articles on their website, many with archival footage and video of the event. Anyone with an interest in this topic should definitely check out the MSNBC materials.