At first I assumed this was the one near Belize, which is quite well known in the scuba diving community [1]. In fact, the picture on this post is probably of t

At first I assumed this was the one near Belize, which is quite well known in the scuba diving community [1]. In fact, the picture on this post is probably of that one. However, this new one is over twice as deep! [1] https://en.wikipedia.org/wiki/Great_Blue_Hole https://en.wikipedia.org/wiki/Great_Blue_Hole