translation.en: And what the Russians are doing is they're building these detectors and immersing them about a kilometer beneath the surface of the lake so that they can watch for these flashes of blue light.
translation.zh: 现在俄罗斯正在致力于 建设探测器， 并且将他们沉浸到数千米的湖底。 这样他们就能观察这些蓝色的闪光了。