 Complete the following phrase:  Before opening in October 2011 as the Bundeswehr Military History Museum, the building underwent six years of extensive construction. Using the design of Jewish architect Daniel Libeskind, the Neo-Classicist facade on the historic arsenal has been interrupted. Libeskind added a transparent arrowhead to the façade of the building, creating, according to the Dresden Tourism board, an outwardly visible expression of innovation. This new element is also reflected in the logo of the museum. Libeskinds studio states that the openness and transparency of the new façade, representing the openness of democratic society, contrasts with the rigidity of the existing building, which represents the severity of the authoritarian past. The silver arrowhead protrudes from the center of the traditional Neo-Classical building and provides a five story, 98 foot high viewing platform which overlooks the city. The platform provides views of modern Dresden while pointing towards the area where the 