Perhaps one day we'll be able to harness our homegrown glaciers well enough to build whole walls of ice–this time not for keeping people out, but to enable life in some of the planet's harshest landscapes.

或许有一天我们可以利用人造冰川建起一片冰长城，这次并不是为了抵御敌人，而是为了让一些居住在地球上环境极其恶劣的人们好好地生活。