"The wall was built in 1969 to separate the Catholic Falls Road and the Protestant Shankill Road. An Army Major, overseeing the construction of the wall at the time, said: 'This is a temporary measure ... we do not want to see another Berlin wall situation in Western Europe ... it will be gone by Christmas'. In 2019, that wall still remains and almost 100 additional walls and barriers now complement the original. " [3]
pbs.org
"The fence along the Mexican-U.S. border is just one of many barriers proposed or constructed around the world to keep people and cultures separated. Learn more about them below."[1]