translation.en: So what you're looking at here is the rhizocarpon geographicum, or map lichen, and this is around 3,000 years old and lives in Greenland, which is a long way to go for some lichens.
translation.zh: 你们现在看到的是 是地图地衣 它已经有三千来岁了 生活在格陵兰岛 我真是为了这些地衣跑很远的路去了趟格陵兰岛