Volcanic Bubble Activity Underwater Black Sand

Silhouetted outline of an underwater cave opening, viewed from inside the cave looking out towards blue water, Sangeang Island, Sumbawa, Indonesia, Pacific Ocean

Sunlight from the setting sun shines and sparkles on the surface of the ocean, Sumbawa, Indonesia, Pacific Ocean

Streams of volcanic bubbles rise from the black sand seafloor of Sangeang Island, Sumbawa, Indonesia, Pacific Ocean

Wide slow-motion shot of volcanic bubbles streaming out of the black sand at Sangeang Island, Sumbawa, Indonesia, Pacific Ocean

The blue hole at Batu Rufus dive site with a healthy coral reef in the foreground, Raja Ampat, Southwest Papua, Indonesia, Pacific Ocean

Camera pans up to show colourful corals with a deep canyon filled with fish in the background, Komodo National Park, Indonesia, Pacific Ocean