The group calling themselves the Cheollima Civil Defence first hit the headlines in 2017.

为千里马民防的组织在2017年就登上了新闻头条。

But his favorite story, and mine, was " Rostam and Sohrab" . the tale of the great warrior Rostam and his fleet-footed horse, Rakhsh.

但他喜欢的故事，也是我喜欢的，是" 罗斯坦和索拉博" ，讲的是神武的战士罗斯坦和他那匹千里马拉克什的故事。

Silent Chollima. Chollima is actually a national animal of North Korea. It's a mythical flying horse. And we have been tracking this group since 2006.

沉默的千里马。千里马实际上是朝鲜的国兽。是传说中的飞马。自 2006 年以来，我们一直在追踪这个群体。