Veteran cave diver Brian Kakuk lifts a more than ... Without the unique geologic structure of the inland blue holes—deep, dark, sheltered, with little tidal flow—specialized bacteria studied ...

The show, called “Ao no Dokutsu (blue cave) Shibuya,” features about 600,000 blue LEDs along an 800-meter stretch between Shibuya Koen-dori street and rows of zelkova trees in Yoyogi Park in ...