'The West' is, in fact, the world's biggest gated community

A review of the global "wall" that divides rich from poor.

A giant global wall separates the rich from the poor

A giant global wall separates the rich from the poor

Image: TD Architects
  • Trump's border wall is only one puzzle piece of a global picture.
  • Similar anxieties are raising similar border defenses elsewhere.
  • This map shows how, as a result, "the West" is in fact one large gated community.

World-wide fence

The western terminus of the US-Mexico land border at Tijuana.

Image source: © Tomas Castelazo / Wikimedia Commons / CC BY-SA 4.0

This map is a decade old, but it feels increasingly topical with every passing year. More than ever, we live in a Walled World.

Even though the stats on the map may have changed somewhat, its shocking main point still stands: the rich countries of the world are, in fact, the world's biggest gated community.

This world-wide fence is rarely presented to us in its totality; we catch glimpses of its various bits whenever they're in the news. Those separate pieces don't necessarily seem to belong to the same puzzle.

The US-Mexico border is far away from "Fortress Europe," and both are different from Israel's security wall. Other, similar barriers have their own peculiarities. But in the end, they all do the same thing: keep the poor, huddled masses from the shantytowns off the manicured lawns of the First World.

The Berlin Window

East and West Berliners on top of the recently opened Berlin Wall, early November 1989.

Image: Lear21, CC BY-SA 3.0

For a brief window of time, opened 30 years ago next month, it seemed history would go the other way. In November 1989, the Berlin Wall came down. Its joyous demolition predicted the end of hard borders everywhere.

That window soon flew shut. The idea of a globalized world with frictionless borders fell out of fashion faster than the bleached jeans and mullet hair of the East Berliners marveling at their first banana in 1989.

Two events stand out: 9/11, and the refugee crisis of 2015. Both increased the fear and suspicion of "others" and remedied it by shoring up the entrance barriers into what is still sometimes — incongruously — called "the West" (1).

At the end of the Cold War, there were just 15 walls separating countries from each other. Now there are at least 70 walled borders worldwide. Since the fall of the Wall, thousands of miles of steel and concrete walls have gone up on international borders.

A global wall

The rich world, developed world, first world or Western world by another name: the walled world.

The rich world, developed world, first world or Western world by another name: the walled world.

Image: TD Architects

As this map shows, the Walled World consists of the U.S. and Canada (in North America); Japan and South Korea, plus Australia and New Zealand (in the Asia-Pacific region); plus basically the entire European Union (2); and also Israel. In 2009, that club of nations represented just 14 percent of the world's population but earned 73 percent of its income. Conversely, the "gray areas" outside the walls were home to 86 percent of humanity, who scraped together just 27 percent of the world's income.

The average monthly income inside the wall is around €2,500. Outside, it's just €150. Money may or may not buy happiness, but it does buy quality of life. The yellow dots, which represent the world's top 50 cities in terms of quality of life, are almost all inside the wall — only Singapore is outside, and that relatively wealthy city-state should arguably be included inside the wall anyway.

In other words: the poor are many, the rich are few. That's not a new phenomenon of course, nor are the migratory pressures it causes. That's where those barriers come in. The map lists some examples, the locations and the circumstances of which are all different — but which are all pieces of the same puzzle shown on this map.

Technically still at war

The Demilitarized Zone (DMZ) between North and South Korea.

Image source: Korean Culture and Information Service (Jeon Han), CC BY 2.0

A. The DMZ between North and South Korea

The Demilitarized Zone (DMZ), which came into being in the ceasefire on July 27, 1953, cuts the Korean peninsula about in half. It's 155 miles (248 km) long and around 2 miles (3 km) wide. The two sides are technically still at war. Skirmishes at the DMZ have cost the lives of hundreds of Koreans, and at least 50 U.S. service personnel. The border is so heavily fortified that North Korean defectors rather try their luck going north into China than attempting to cross the DMZ.

B. The Australian Defense Force (ADF)

The ADF — charged with the defense of Australia — patrols the waters north of Australia, where incursions by boat refugees are most likely.

C. The US-Mexico barrier

Although Trump got elected by promising to "build that wall," the systematic erection of physical barriers on the 1,954-mile (3,145-km) US-Mexico border already began under the Clinton Administration. At first, it was concentrated on urban crossing points. After 9/11, fencing occurred in more rural/isolated areas as well — both under presidents Bush Jr. and Obama. Over the decades, thousands of migrants have died crossing the border.

Tourist attractions

The 'Valla' in Melilla, where Europe touches Africa.

Image: Ángel Gutiérrez Rubio, CC BY 2.0

D. The Ceuta and Melilla border fences

Ceuta and Melilla, the two Spanish exclave cities in Morocco, are where Fortress Europe meets North Africa. Built from 1993 with EU funding, a hard border consisting of tall barbed-wire fences equipped with motion sensors tries (and often fails) to keep out the flow of migrants from sub-Saharan Africa. Before making the attempt, many hide in the Gurugu Mountains outside Melilla. Called "La Valla," the fences have become one of the cities' major tourist attractions.

E. The EU's Schengen Border

The map legend reads: "It took the European Union only six years (after the fall of the Berlin Wall) to create, with the Schengen Agreement in 1995, a new division only 80 km offset to the east of Berlin." The 26 Schengen Area members (3) have abolished all "internal" passport and border controls and have strengthened border controls and a common visa policy for non-Schengen countries.

F. The West Bank Barrier

In 2002, Israel started work on a concrete barrier separating Israelis from Palestinians. Israel says this is to stop the incursion of terrorists into Israel proper. The placing of the wall, largely beyond the Green Line which constitutes the "official" border between Israel and the Palestinian territories, means 9.4 percent of West Bank and East Jerusalem territory is now included on the Israeli side. Palestinians contend the wall is a land grab and constitutes a de facto border. Almost 90 percent of Israeli settlers in the occupied territories live between the Green Line and the Wall.

Another brick in the wall

One of the 99 'Peace Walls' in Belfast, Northern Ireland.

One of the 99 "Peace Walls" in Belfast, Northern Ireland.

Image source: Duke Human Rights Center, CC BY 2.0

Of course, there are many more border walls than these.

  • Take for instance the Evros Wall. Built in 2012 along the eponymous border river between Greece and Turkey, its purpose is to stop illegal migrants crossing the only land border between both countries into the EU.

Not all border walls are between the First World and the Rest of the World.

  • India is building a 2,500-mile barbed-wire fence around Bangladesh, the overcrowded neighbour squeezed in entirely between India and the sea. India says the "Bengal Wall" will keep out smugglers and terrorists — but it will mostly keep out people fleeing poverty and climate change.

Some of the border walls aren't even between countries, but between neighborhoods.

  • Belfast counts 99 "Peace Walls" separating Catholic/nationalist communities from Protestant/loyalist ones. The largest one, dividing Protestant Springmartin Estate from Catholic Springfield Park, consists of no less than a million bricks.
  • Brazil's rich cordon themselves off from the nation's poor in gated communities such as Alphaville in São Paulo.
  • A decades-old wall divides Nicosia on Cyprus in Greek and Turkish halves — after the fall of the Berlin Wall, Nicosia is now the only European capital still divided by a wall.

Feel the Berm

The expansion of Morocco's Berm, in six phases from 1982 to 1987.

The expansion of Morocco's Berm, in six phases from 1982 to 1987.

Image source: Cedric31, GFDL

Border walls are both old and new.

  • In 1975, Morocco took over the Western Sahara from Spain without granting the locals a referendum on independence. An armed rebellion ensued. Morocco responded by building the "Berm." The world's longest and oldest security barrier divides the Western Sahara in a large, ocean-facing swathe controlled by Morocco, and a thin strip of desert on the border with Mauritania, left to the Sahrawi rebels.
  • In recent years, "security walls" have gone up in Kabul, Baghdad, Cairo, and Syria. So many in fact, that none of them merit the notoriety of the Berlin Wall or even Belfast's Peace Walls.

An updated map of the Walled World would contain many more red lines crisscrossing the planet. It feels like it'll be a while before there'll be another Berlin Moment, and any of these walls will start coming down again.

Strange Maps #993

Walled World map by TD Architects, reproduced with kind permission.

Got a strange map? Let me know at strangemaps@gmail.com.


(1) A relative term. See #311.

(2) On this map still without its most recent additions: Croatia, Romania and Bulgaria.

(3) The EU plus Norway, Switzerland, Liechtenstein and Iceland, but minus the UK and Ireland (who have permanent opt-outs) and Cyprus, Croatia, Romania and Bulgaria (who are obliged by the conditions of their EU accession to join the Schengen Area eventually).

This is what aliens would 'hear' if they flew by Earth

A Mercury-bound spacecraft's noisy flyby of our home planet.

Image source: sdecoret on Shutterstock/ESA/Big Think
Surprising Science
  • There is no sound in space, but if there was, this is what it might sound like passing by Earth.
  • A spacecraft bound for Mercury recorded data while swinging around our planet, and that data was converted into sound.
  • Yes, in space no one can hear you scream, but this is still some chill stuff.

First off, let's be clear what we mean by "hear" here. (Here, here!)

Sound, as we know it, requires air. What our ears capture is actually oscillating waves of fluctuating air pressure. Cilia, fibers in our ears, respond to these fluctuations by firing off corresponding clusters of tones at different pitches to our brains. This is what we perceive as sound.

All of which is to say, sound requires air, and space is notoriously void of that. So, in terms of human-perceivable sound, it's silent out there. Nonetheless, there can be cyclical events in space — such as oscillating values in streams of captured data — that can be mapped to pitches, and thus made audible.

BepiColombo

Image source: European Space Agency

The European Space Agency's BepiColombo spacecraft took off from Kourou, French Guyana on October 20, 2019, on its way to Mercury. To reduce its speed for the proper trajectory to Mercury, BepiColombo executed a "gravity-assist flyby," slinging itself around the Earth before leaving home. Over the course of its 34-minute flyby, its two data recorders captured five data sets that Italy's National Institute for Astrophysics (INAF) enhanced and converted into sound waves.

Into and out of Earth's shadow

In April, BepiColombo began its closest approach to Earth, ranging from 256,393 kilometers (159,315 miles) to 129,488 kilometers (80,460 miles) away. The audio above starts as BepiColombo begins to sneak into the Earth's shadow facing away from the sun.

The data was captured by BepiColombo's Italian Spring Accelerometer (ISA) instrument. Says Carmelo Magnafico of the ISA team, "When the spacecraft enters the shadow and the force of the Sun disappears, we can hear a slight vibration. The solar panels, previously flexed by the Sun, then find a new balance. Upon exiting the shadow, we can hear the effect again."

In addition to making for some cool sounds, the phenomenon allowed the ISA team to confirm just how sensitive their instrument is. "This is an extraordinary situation," says Carmelo. "Since we started the cruise, we have only been in direct sunshine, so we did not have the possibility to check effectively whether our instrument is measuring the variations of the force of the sunlight."

When the craft arrives at Mercury, the ISA will be tasked with studying the planets gravity.

Magentosphere melody

The second clip is derived from data captured by BepiColombo's MPO-MAG magnetometer, AKA MERMAG, as the craft traveled through Earth's magnetosphere, the area surrounding the planet that's determined by the its magnetic field.

BepiColombo eventually entered the hellish mangentosheath, the region battered by cosmic plasma from the sun before the craft passed into the relatively peaceful magentopause that marks the transition between the magnetosphere and Earth's own magnetic field.

MERMAG will map Mercury's magnetosphere, as well as the magnetic state of the planet's interior. As a secondary objective, it will assess the interaction of the solar wind, Mercury's magnetic field, and the planet, analyzing the dynamics of the magnetosphere and its interaction with Mercury.

Recording session over, BepiColombo is now slipping through space silently with its arrival at Mercury planned for 2025.

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