The semifinalists were recently announced for the 2011 Open Architecture Challenge: [UN] RESTRICTED ACCESS competition. Launched by Architecture for Humanity, the competition asked architects and designers to partner with community groups across the world and develop innovative solutions to re-envision closed, abandoned and decommissioning military sites. After a hard week of voting, during which time jurors had to make tough decisions between the 200 uploaded entries, the semifinalists have finally been determined with the five winning places . They thank all of the participants for their hard work. For a complete list of all the semifinalists and their projects, please visit here. More images can be viewed in the gallery after the break.