translation.en: But the sun is at the horizon over here and we know that when the sun is at the horizon, say it's over on this side, there is a north-south, a huge pathway across the sky of polarized light that we can't see that the beetles can see.
translation.zh: 现在太阳在远处的地平线上 我们知道太阳在地平线下时 我们假设在这个位置 这是北极和南极，偏振光沿着这条长长的路线贯穿天空 我们的眼睛看不到它们 但是蜣螂可以看到。