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

Cracks in the walls

Mike suddenly slipped, catching himself against the wall. He aimed his flashlight downward and froze. Yellow-green goo oozed from a crack in the bricks.

Luis crouched and poked it with a stick. The substance stretched and clung stubbornly, pulling back like glue when he tried to lift it away.