Artist Sonya Schoenberger poses next to her installation of keys, used in Stasi police barracks, that is installed inside Christoph Zwiener's exhibition project "ADN Guard House" in Los Angeles October 13, 2014. A German artist has turned a tiny surveillance booth used by the communist regime in the former East Germany to monitor citizens into an art exhibit and venue, which will be installed in a museum near Los Angeles dedicated to the Cold War to coincide with the 25th anniversary of the fall of the Berlin Wall. The one-person guardhouse measuring 2 m by 1 m (2 yards by 1 yard) was originally located in the parking lot of state-run news agency ADN so that authorities could keep a watchful eye on reporters. Artist Christof Zwiener rescued it from demolition. REUTERS/Lucy Nicholson (UNITED STATES - Tags: SOCIETY TPX IMAGES OF THE DAY)

Artist Sonya Schoenberger poses next to her installation of keys, used in Stasi police barracks, that is installed inside Christoph Zwiener's exhibition project "ADN Guard House" in Los Angeles October 13, 2014. A German artist has turned a tiny surveillance booth used by the communist regime in the former East Germany to monitor citizens into an art exhibit and venue, which will be installed in a museum near Los Angeles dedicated to the Cold War to coincide with the 25th anniversary of the fall of the Berlin Wall. The one-person guardhouse measuring 2 m by 1 m (2 yards by 1 yard) was originally located in the parking lot of state-run news agency ADN so that authorities could keep a watchful eye on reporters. Artist Christof Zwiener rescued it from demolition. REUTERS/Lucy Nicholson (UNITED STATES - Tags: SOCIETY)

The interior of artist Christoph Zwiener's exhibition project "ADN Guard House" is seen in Los Angeles October 13, 2014. A German artist has turned a tiny surveillance booth used by the communist regime in the former East Germany to monitor citizens into an art exhibit and venue, which will be installed in a museum near Los Angeles dedicated to the Cold War to coincide with the 25th anniversary of the fall of the Berlin Wall. The one-person guardhouse measuring 2 m by 1 m (2 yards by 1 yard) was originally located in the parking lot of state-run news agency ADN so that authorities could keep a watchful eye on reporters. Artist Christof Zwiener rescued it from demolition. REUTERS/Lucy Nicholson (UNITED STATES - Tags: SOCIETY)

Artist Christoph Zwiener cleans the windows of his exhibition project "ADN Guard House", which contains an installation of keys, used in Stasi police barracks, by Sonya Schoenberger, in Los Angeles October 13, 2014. A German artist has turned a tiny surveillance booth used by the communist regime in the former East Germany to monitor citizens into an art exhibit and venue, which will be installed in a museum near Los Angeles dedicated to the Cold War to coincide with the 25th anniversary of the fall of the Berlin Wall. The one-person guardhouse measuring 2 m by 1 m (2 yards by 1 yard) was originally located in the parking lot of state-run news agency ADN so that authorities could keep a watchful eye on reporters. Artist Christof Zwiener rescued it from demolition. REUTERS/Lucy Nicholson (UNITED STATES - Tags: SOCIETY)

An installation of keys, used in Stasi police barracks, by Sonya Schoenberger, is installed inside Christoph Zwiener's exhibition project "ADN Guard House", in Los Angeles October 13, 2014. A German artist has turned a tiny surveillance booth used by the communist regime in the former East Germany to monitor citizens into an art exhibit and venue, which will be installed in a museum near Los Angeles dedicated to the Cold War to coincide with the 25th anniversary of the fall of the Berlin Wall. The one-person guardhouse measuring 2 m by 1 m (2 yards by 1 yard) was originally located in the parking lot of state-run news agency ADN so that authorities could keep a watchful eye on reporters. Artist Christof Zwiener rescued it from demolition. REUTERS/Lucy Nicholson (UNITED STATES - Tags: SOCIETY)

Artist Christoph Zwiener poses in front of his exhibition project "ADN Guard House", which contains an installation of keys, used in Stasi police barracks, by Sonya Schoenberger, in Los Angeles October 13, 2014. A German artist has turned a tiny surveillance booth used by the communist regime in the former East Germany to monitor citizens into an art exhibit and venue, which will be installed in a museum near Los Angeles dedicated to the Cold War to coincide with the 25th anniversary of the fall of the Berlin Wall. The one-person guardhouse measuring 2 m by 1 m (2 yards by 1 yard) was originally located in the parking lot of state-run news agency ADN so that authorities could keep a watchful eye on reporters. Artist Christof Zwiener rescued it from demolition. REUTERS/Lucy Nicholson (UNITED STATES - Tags: SOCIETY)

Artist Christoph Zwiener poses in front of his exhibition project "ADN Guard House", which contains an installation of keys, used in Stasi police barracks, by Sonya Schoenberger, in Los Angeles October 13, 2014. A German artist has turned a tiny surveillance booth used by the communist regime in the former East Germany to monitor citizens into an art exhibit and venue, which will be installed in a museum near Los Angeles dedicated to the Cold War to coincide with the 25th anniversary of the fall of the Berlin Wall. The one-person guardhouse measuring 2 m by 1 m (2 yards by 1 yard) was originally located in the parking lot of state-run news agency ADN so that authorities could keep a watchful eye on reporters. Artist Christof Zwiener rescued it from demolition. REUTERS/Lucy Nicholson (UNITED STATES - Tags: SOCIETY)

A woman looks at an installation of keys, used in Stasi police barracks, by Sonya Schoenberger, that is installed inside Christoph Zwiener's exhibition project "ADN Guard House" in Berlin July 11, 2014. A German artist has turned a tiny surveillance booth used by the communist regime in the former East Germany to monitor citizens into an art exhibit and venue, which will be installed in a museum near Los Angeles dedicated to the Cold War. The one-person guardhouse measuring 2 m by 1 m (2 yards by 1 yard) was originally located in the parking lot of state-run news agency ADN so that authorities could keep a watchful eye on reporters. Artist Christof Zwiener rescued it from demolition. Picture taken July 11, 2014. REUTERS/Thomas Peter (GERMANY - Tags: ENTERTAINMENT)

A man looks at an installation of keys, used in Stasi police barracks, by Sonya Schoenberger, that is installed inside Christoph Zwiener's exhibition project "ADN Guard House" in Berlin July 11, 2014. A German artist has turned a tiny surveillance booth used by the communist regime in the former East Germany to monitor citizens into an art exhibit and venue, which will be installed in a museum near Los Angeles dedicated to the Cold War. The one-person guardhouse measuring 2 m by 1 m (2 yards by 1 yard) was originally located in the parking lot of state-run news agency ADN so that authorities could keep a watchful eye on reporters. Artist Christof Zwiener rescued it from demolition. Picture taken July 11, 2014. REUTERS/Thomas Peter (GERMANY - Tags: ENTERTAINMENT)

A woman looks at an installation of keys, used in Stasi police barracks, by Sonya Schoenberger, that is installed inside Christoph Zwiener's exhibition project "ADN Guard House" in Berlin July 11, 2014. A German artist has turned a tiny surveillance booth used by the communist regime in the former East Germany to monitor citizens into an art exhibit and venue, which will be installed in a museum near Los Angeles dedicated to the Cold War. The one-person guardhouse measuring 2 m by 1 m (2 yards by 1 yard) was originally located in the parking lot of state-run news agency ADN so that authorities could keep a watchful eye on reporters. Artist Christof Zwiener rescued it from demolition. Picture taken July 11, 2014. REUTERS/Thomas Peter (GERMANY - Tags: ENTERTAINMENT)

People attend the opening of an installation of keys, used in Stasi police barracks, by Sonya Schoenberger (L), that is installed inside Christoph Zwiener's exhibition project "ADN Guard House" in Berlin July 11, 2014. A German artist has turned a tiny surveillance booth used by the communist regime in the former East Germany to monitor citizens into an art exhibit and venue, which will be installed in a museum near Los Angeles dedicated to the Cold War. The one-person guardhouse measuring 2 m by 1 m (2 yards by 1 yard) was originally located in the parking lot of state-run news agency ADN so that authorities could keep a watchful eye on reporters. Artist Christof Zwiener rescued it from demolition. Picture taken July 11, 2014. REUTERS/Thomas Peter (GERMANY - Tags: ENTERTAINMENT TPX IMAGES OF THE DAY)

A man looks at an installation of keys, used in Stasi police barracks, by Sonya Schoenberger, that is installed inside Christoph Zwiener's exhibition project "ADN Guard House" in Berlin July 11, 2014. A German artist has turned a tiny surveillance booth used by the communist regime in the former East Germany to monitor citizens into an art exhibit and venue, which will be installed in a museum near Los Angeles dedicated to the Cold War. The one-person guardhouse measuring 2 m by 1 m (2 yards by 1 yard) was originally located in the parking lot of state-run news agency ADN so that authorities could keep a watchful eye on reporters. Artist Christof Zwiener rescued it from demolition. Picture taken July 11, 2014. REUTERS/Thomas Peter (GERMANY - Tags: ENTERTAINMENT)

A picture shows an installation of keys, used in Stasi police barracks, by Sonya Schoenberger, that is installed inside Christoph Zwiener's exhibition project "ADN Guard House" in Berlin July 11, 2014. A German artist has turned a tiny surveillance booth used by the communist regime in the former East Germany to monitor citizens into an art exhibit and venue, which will be installed in a museum near Los Angeles dedicated to the Cold War. The one-person guardhouse measuring 2 m by 1 m (2 yards by 1 yard) was originally located in the parking lot of state-run news agency ADN so that authorities could keep a watchful eye on reporters. Artist Christof Zwiener rescued it from demolition. Picture taken July 11, 2014. REUTERS/Thomas Peter (GERMANY - Tags: ENTERTAINMENT)

People walk past Christoph Zwiener's exhibition project "ADN Guard House" in Berlin May 22, 2014. A German artist has turned a tiny surveillance booth used by the communist regime in the former East Germany to monitor citizens into an art exhibit and venue, which will be installed in a museum near Los Angeles dedicated to the Cold War. The one-person guardhouse measuring 2 m by 1 m (2 yards by 1 yard) was originally located in the parking lot of state-run news agency ADN so that authorities could keep a watchful eye on reporters. Artist Christof Zwiener rescued it from demolition. Picture taken May 22, 2014. REUTERS/Thomas Peter (GERMANY - Tags: ENTERTAINMENT)

A picture shows a panel of switches inside Christoph Zwiener's exhibition project "ADN Guard House" in Berlin May 22, 2014. A German artist has turned a tiny surveillance booth used by the communist regime in the former East Germany to monitor citizens into an art exhibit and venue, which will be installed in a museum near Los Angeles dedicated to the Cold War. The one-person guardhouse measuring 2 m by 1 m (2 yards by 1 yard) was originally located in the parking lot of state-run news agency ADN so that authorities could keep a watchful eye on reporters. Artist Christof Zwiener rescued it from demolition. The writings on the switches read: "Heating - ON", "Light Inside - ON", "Green" and "Traffic Light". Picture taken May 22, 2014. REUTERS/Thomas Peter (GERMANY - Tags: ENTERTAINMENT)

A picture shows a panel of switches inside Christoph Zwiener's exhibition project "ADN Guard House" in Berlin May 22, 2014. A German artist has turned a tiny surveillance booth used by the communist regime in the former East Germany to monitor citizens into an art exhibit and venue, which will be installed in a museum near Los Angeles dedicated to the Cold War. The one-person guardhouse measuring 2 m by 1 m (2 yards by 1 yard) was originally located in the parking lot of state-run news agency ADN so that authorities could keep a watchful eye on reporters. Artist Christof Zwiener rescued it from demolition. The writings on the switches read: "Heating - ON", "Light Inside - ON", "Green" and "Traffic Light". Picture taken May 22, 2014. REUTERS/Thomas Peter (GERMANY - Tags: ENTERTAINMENT)

Reuters Managing Editor Paul Ingrassia (C) and other journalists attend a meeting with Russia's President Vladimir Putin on the sidelines of the St. Petersburg International Economic Forum 2014 (SPIEF 2014) in St. Petersburg May 24, 2014. Russian President Vladimir Putin said on Saturday that a new Cold War with the West over Ukraine was unlikely. East-West relations have reached their lowest level since the end of the Cold War two decades ago with a fall of the Soviet Union, over the crisis in Ukraine. REUTERS/Sergei Karpukhin (RUSSIA - Tags: BUSINESS POLITICS MEDIA)

Russia's President Vladimir Putin (L) meets with a group of foreign journalists on the sidelines of the St. Petersburg International Economic Forum 2014 (SPIEF 2014) in St. Petersburg May 24, 2014. Russian President Vladimir Putin said on Saturday that a new Cold War with the West over Ukraine was unlikely. East-West relations have reached their lowest level since the end of the Cold War two decades ago with a fall of the Soviet Union, over the crisis in Ukraine. REUTERS/Sergei Karpukhin (RUSSIA - Tags: POLITICS)

Russia's President Vladimir Putin (L) meets with a group of foreign journalists on the sidelines of the St. Petersburg International Economic Forum 2014 (SPIEF 2014) in St. Petersburg May 24, 2014. Russian President Vladimir Putin said on Saturday that a new Cold War with the West over Ukraine was unlikely. East-West relations have reached their lowest level since the end of the Cold War two decades ago with a fall of the Soviet Union, over the crisis in Ukraine. REUTERS/Sergei Karpukhin (RUSSIA - Tags: POLITICS)

A demonstrator enters a slogan-covered structure opposite the Houses of Parliament in London December 5, 2011. Worries of Israel striking Iran might or might not be overblown but across the region the largely hidden "cold war" between Tehran and its enemies is escalating fast, bringing with it wider risk of conflict. REUTERS/Toby Melville (BRITAIN - Tags: POLITICS CIVIL UNREST)