Concrete pyramidal and rectangular bollards discourage driving and parking but provide interesting geometry in the beautiful early morning fog.
If you were trying to escape, you wouldn't just have guards, dogs and barbed wire to deal with, either. Until the mid 1960s, the fence was electrified with up to 10,000 volts.
A watchtower still stands.
According to a sign at the site, between 1948 and 1989, 390 people were killed on the Czechoslovakian border while trying to escape. In addition, "654 border guards also died here, although only 10 died in conflicts with border violators. The others died from suicide, electrocution, drowning or accidents with guns."
It does make you wonder, doesn't it, how stable—or good—any country, political philosophy, religion, organization, marriage or anything could be if you risk being killed for leaving.