In 2015, Estonia, Hungary, Kenya, Saudi Arabia, and Tunisia all announced or began the construction of barriers on their frontiers. We may live in an era of globalization, but much of the world is increasingly focused on limiting the free movement of people.
檀香山—今年可称之为边境墙之年。2015年，爱沙尼亚、匈牙利、肯尼亚、沙特阿拉伯博和突尼斯均宣布或开始沿国境线建设隔离屏障。我们也许生活在与一个全球化时代，但世界上很大一部分正日益着重于限制人们的自由迁徙。