苏格兰外海发现一圈一圈的高大海草。以前从未在如此之北的寒冷地带发现高大海草。地球变暖的迹象越来越明显了。

https://www.iflscience.com/watch-mysterious-rare-fairy-rings-of-seagrass-recorded-on-video-for-the-first-time-in-scotland-82336