underwater

Seeing the coral, which is in the Solomon Islands, was like seeing a "cathedral underwater", he said.

Deep Sea Vision is now branching out from its original mission, working with “foreign governments, international organizations and corporations” interested in its underwater technology.

"The flood was at about five feet, six feet at the front of this building... it was underwater for the guts of a week," she said.

Or there is the gentler whale swimming out of an underwater tunnel.

People were laid off from their jobs and couldn’t afford their mortgages, which were now underwater.