National border walls and fences across the world (as of 2015).— Bryan Druzin (@BryanDruzin) December 18, 2018
Source: The Economist
See the interactive map (you can zoom in on specific world regions): https://t.co/P9VPpDTKXO#borders #migration #InternationalSecurity #geopolitics #maps #mapping pic.twitter.com/NJBw161YMZ
WNU Editor: That is a lot of border walls and fences.
1 comment:
walls are also useful for keeping in as well as keeping some out
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