Separation wall

• The Great Wall of China - was built to protect the empire from nomadic tribes from the III century BC. er and to the XVII century AD. Surviving areas are used as a tourist site.
• Val Adriana - built by the Romans in Britain, to defend the borders from the Picts.
• Val Antonina - erected after the expansion of the Roman possessions in Britain.
• The Berlin Wall between the GDR and the Federal Republic of Germany , was built by the communist authorities of the GDR in 1961 to stop uncontrolled mass emigration. There was until 1989-1990.

In Asia

• Pakistan has built a barrier on the border with Afghanistan , a length of 2,400 kilometers.
• North Korean propaganda claims that South Korea in the 1970s. built a solid wall along the entire demilitarized zone ^[1] . In fact, images of anti-tank barriers in certain areas were issued as photos of the wall. ^{[2] [3]}
• In 2014, the 900-kilometer wall between Saudi Arabia and Iraq was completed ^[4] .
• Kuwait is building a 215-km wall along the border with Iraq .
• Yemen’s authorities say the 600-km wall built by Saudi Arabia , contrary to agreements concluded in 2000 .
• The United Arab Emirates is building a fence on the border with Oman .
• Uzbekistan is separated by a wall from Tajikistan .
• Thailand is separated by a fence from Malaysia .
• Separation wall separating Israel from the West Bank (historic Judea and Samaria)
• Turkey has built a wall against the penetration of Kurdish rebels in the border area disputed by Syria .
• The Indian wall that separates Kashmir stretches 550 kilometers. The Indian side erected fences along the 740-kilometer line with Pakistan , moving the fences into Pakistan approximately 137 meters. India states that the barriers were erected solely with the aim of preventing the infiltration of terrorists and the transport of weapons into the territory of the State ^[5] .
• Egypt in March 2014 began construction of a fence around the city of El Arish ( Sinai Peninsula ). The length of the fence will be 30 kilometers. Passages through the barrier will be equipped with metal detectors and detectors for the detection of explosives. Security fence will be equipped with video surveillance cameras. The wall around El-Arish is being built “in the framework of the fight against terror and to maintain security in the region” ^[6] .

In America

• The US is building a protective wall on the border with Mexico ^{[7] [8] [9]} .

In Africa

• Spain , according to Morocco , holds part of the Moroccan territory, surrounding the city of Ceuta in North Africa . ^{[10] [11]} This system of border structures separating the Spanish half-anclave of Ceuta from the Kingdom of Morocco . Built in 2001 with EU funds to protect Europe from the uncontrolled influx of illegal migrants from Africa. Known as the Ceuta Wall . It is a parallel barrier of 3-meter height, protected by barbed wire , between which there is a passage for border guards. The wall is equipped with video cameras , noise and motion sensors designed to detect attempts to cross the wall by illegal immigrants and smugglers ^[12] .
• A system of separation structures longer than 2500 km in Western Sahara (between Morocco and SADR ) separates the territories controlled by the government of Morocco and the Polisario formations. Known as the Moroccan Wall . In total, six large lines and two small ones were built. The basis of each shaft is a sand-stone mound height of about three meters. Mineral fields , barbed wire fences , sensory detection systems , artillery batteries and runways are located along the walls. Equipped with radar masts , viewing the territory outside the walls, the system is constantly patrolled ^{[13] [14]} .
• between Botswana and Zimbabwe .

In Europe

• Greece began construction, to protect against smugglers and illegal migrants, on the border with Turkey, a wall height of 2.5 m and a length of 10 km. The structure is supplied with a double row of barbed wire , as well as video surveillance cameras ^[15] .
• The Catholic and Protestant populations of Northern Ireland are separated by a wall ^[16] .
• Ukraine began construction of a wall on the border with Russia in the autumn of 2014. The need for this arose during the conflict in the east of Ukraine, ^{[17] [18]} . According to the Ukrainian government, the construction of the wall is justified by Russian aggression.
• In turn, Russia on the border with Ukraine across the territory of the Russian village of Chertkovo , which closely adjoins the Ukrainian village of Melovoe , from 2015 to 2018 carried out the separation of the border by fences. The last stage was the construction of a fence of barbed wire, straight along the street of Friendship of Peoples, dividing this street in half. According to the Russian side, this was done in order to avoid provocations from Ukraine. ^[nineteen]