Deep issues
More than 200 metres beneath the surface of a mysterious lake in Russia, I reached the bottom and knew I was in a place that no other human being had ever experienced before.
Wrapped in the icebox grip of the water, I saw the fine layer of silt and rock disappear beyond the beam of my torch and did exactly what I had planned to do on making it to the bottom of the lake: I went off exploring.
In the depths of Blue
