Do walls work?

Berlin, Germany was once divided in half by a wall, built to keep people separated after WWII. But since the wall fell, the city has transformed into a bustling, creative, open, and diverse ... Read allBerlin, Germany was once divided in half by a wall, built to keep people separated after WWII. But since the wall fell, the city has transformed into a bustling, creative, open, and diverse global metropolis.Berlin, Germany was once divided in half by a wall, built to keep people separated after WWII. But since the wall fell, the city has transformed into a bustling, creative, open, and diverse global metropolis.