Showing what's hidden: How artists portray surveillance

This picture from the Stasi archive is one of a series used to demonstrate to East German secret service agents how to disguise themselves as civilians. From a collection by Berlin-based photographer Simon Menner, it is on show as part of "Watching You, Watching Me" at Berlin's Museum für Fotografie. Although the images are comical at first glance, closer examination reveals their darker meaning.

The Berlin exhibition "Watching You, Watching Me" includes work by artists depicting visual evidence of surveillance. This image is taken from New York-based artist Edu Bayer's series "Qaddafi Intelligence Room," which documents late Libyan dictator Muammar al-Qaddafi's internet surveillance center and intelligence headquarters in Tripoli.

Andrew Hammerand's "Detail From the New Town" is a series of 21 photographs that the artist made by accessing a camera on top of a church in the center of an idealized planned community in the American Midwest. Using the internet, Hammerand was able to control the camera and take photographs of the small town and its residents.

Belgian artist Mishka Henner created the series "Dutch Landscapes" after discovering that collages of colorful polygonal blots were being used on Google Maps to censor sites deemed vital to national security in the Netherlands, such as royal palaces, fuel depots and army barracks.

The titular picture of "The Field Has Eyes," also on show at the Museum für Fotografie in Berlin, dates from 1546 and shows a man creeping towards a forest where eyes protrude from the ground and ears grow on the trees. The man is accompanied by a rabbit, a traditional symbol of fear.

This image by Jacques Callot from 1628 depicts the eye of God watching over mankind. The all-seeing eye has long been a symbol of divine omniscience, but in more recent times the image has taken on a more sinister meaning, for example when being used to represent the concept of Big Brother.

The Berlin exhibition "The Field Has Eyes" includes a series of CCTV images of bank robberies from the picture archives of US newspapers. They come from the private collection of Günter Karl Bose, a professor at the Academy of Visual Arts in Leipzig, who bought them on eBay. Providing a rare and powerful insight into the workings of the surveillant gaze, they're on display here for the first time.

"Watched! Surveillance Art and Photography" at C/O Berlin features videos as well as static images. These include Hito Steyerl's "How Not to Be Seen: A Fucking Didactic Educational," a satirical film offering advice on how to remain inconspicuous while in the grip of digital technology.

Ann-Sofi Sidén's "Sticky Floors (Lunch to Last Call)" is a nine-channel video installation showing CCTV images of a bar and restaurant. Swedish artist Sidén works in performance, sculpture, photo and film, often exploring the idea of alternative narratives.

This image, entitled "High Performance Camera," is from a series by Berlin-based photographer Julian Röder documenting the officers and equipment used by the European Union to guard its borders. Röder grew up in communist East Germany and his work often deals with surveillance and systems used to stop illegal immigration.