Stasimuseum

Listen for a moment. Your footsteps on these stone floors carry down a long, plain corridor. The light comes through tall windows and falls on beige walls and dark wood. Nothing here looks dramatic. It looks like an office building, and that is exactly the point. For decades, this was the working heart of the Ministry for State Security of East Germany, the secret police that most people simply called the Stasi.

You are standing in House 1, the central building of a large headquarters complex in Lichtenberg, a district in the east of Berlin. Around you, dozens of grey blocks once filled several city blocks. Thousands of officers came here every morning, showed their passes, and went to work. They did not wear trench coats. They carried briefcases, drank coffee, and filled in forms. The ordinary feel of this place is the first thing many visitors notice.

The Stasi was founded in 1950, soon after the German Democratic Republic, or East Germany, came into being. Its official motto called it the shield and sword of the ruling party. Its task was to protect the state from enemies. In practice, the enemy was often the population itself. Neighbours, colleagues, friends and even family members could be watched, recorded and quietly pushed out of jobs or universities.

The scale is hard to picture. By the late 1980s, the ministry employed tens of thousands of full-time staff. Behind them stood a much larger network of unofficial informers, ordinary citizens who reported on the people around them. Historians estimate there were around 189,000 of them near the end. In a country of about sixteen million people, that meant an informer could be sitting in almost any classroom, workplace or apartment block.

Now look at the display cases. This is where the museum surprises people. The Stasi built cameras into objects you would never suspect. A lens behind a coat button. A camera hidden in a handbag, a watering can, a tie, or a birdhouse. These tools look almost comic today. But each one was made to follow a real person down a real street, and some of those people are still alive in this city.

One of the strangest exhibits is a set of glass jars. Inside each jar is a piece of yellow cloth. The Stasi collected smell samples from suspects, sometimes by asking them to sit on a cloth during interrogation. The jars were sealed and stored. Later, trained dogs could match a scent to a person. It is a small detail, but it shows how far the system wanted to reach... even into the air around a human body.

The highlight for many visitors is on an upper floor. Here you can walk into the offices of Erich Mielke, who led the ministry from 1957 until the end in 1989. The rooms are kept largely as they were. Look at the wood panelling, the long conference table, the heavy telephones and the simple furniture. There is no luxury. The power in this room came from paper, files and the people who carried them.

Mielke was a hard-line figure who had been involved in communist politics since his youth in Berlin. In November 1989, after the Wall opened, he spoke before the East German parliament. He was heckled, and he answered with a famous line: "I love, I love all people." The chamber laughed. For many East Germans, that moment showed how out of touch the security chief had become.

The end of this building came from the street. In late 1989 and early 1990, citizens learned that Stasi officers were destroying files. Shredders ran for days, and when machines broke, staff tore paper by hand. On 15 January 1990, thousands of protesters gathered outside this complex and pushed their way inside. They wanted to stop the destruction and keep the records for the victims. That evening changed what happened to the files.

Because of that pressure, the records survived in large numbers. Germany later passed a law that let people read the files the Stasi had kept on them. Many did. Some discovered that a close friend, a colleague or even a husband or wife had reported on them for years. Others found out why a job or a trip abroad had been refused. Those quiet moments of reading changed many lives in this country.

The museum itself grew from that civic energy. A citizens' association formed in 1990 to keep this site open as a place of research and memory. Today, the building sits within a wider campus that also holds the Stasi Records Archive, now part of the German Federal Archives. Inside those neighbouring buildings, kilometres of shelves still hold folders, photographs and audio tapes. Specialists are still working to piece together torn documents from bags of shredded paper.

As you move through the rooms, notice the small things. The light switches. The worn linoleum. The patterns on the curtains. These details give the place a strange feeling of normal life. It is easy to imagine a secretary typing here, or an officer stopping in the corridor to talk about the weekend. That ordinary routine is what made the system work. Surveillance was a job, with a canteen, holidays and promotions.

It is worth taking time with the personal stories on the walls. They show students, priests, artists and workers who were watched, arrested or simply pressured into silence. Some of them were held in the separate Stasi prison in Hohenschönhausen, which is now its own memorial elsewhere in Berlin. Here, in this headquarters, the decisions about their lives were written down, stamped and filed in folders very much like the ones you see in the cases.

When you step back outside, look up at the courtyard and the grey blocks around it. Some are now used by archives, offices and exhibitions about democracy. The trams and traffic of Lichtenberg move past as usual. Take a breath of the open air and notice how freely people walk and talk around you. Not long ago, in this same place, a conversation on the street could end up in a file upstairs.