Jan 2016 interactive map of worldwide border walls and fences: http://www.economist.com/blogs/graphicdetail/2016/01/daily-chart-5 http://www.economist.com/blog

Jan 2016 interactive map of worldwide border walls and fences: http://www.economist.com/blogs/graphicdetail/2016/01/daily-chart-5 http://www.economist.com/blogs/graphicdetail/2016/01/daily-c...