translation.en: It's also known as the spawning ground for eels from Northern European and Northern American rivers that are now so dwindling in numbers that they've actually stopped showing up in Stockholm, and five showed up in the U.K. just recently.
translation.zh: 它也被认为是鳗鱼产卵之地。 这些鳗鱼来自北欧 和北美的河流。 这些鱼的数量正在减少。 在斯德哥尔摩，它们已经消失了。 最近在英国发现了5条。