Orca Keeps Following Boat — Then A Passenger Sees What’s On Its Back

What’s that?

But then, as they moved farther down, Luis paused and raised his hand, pointing to something farther down the tunnel. He heard a faint, steady dripping that didn’t sound right.

Both men also noticed the air was getting heavier, and a faint, foul smell grew stronger as they pressed deeper into the concrete tunnel.