It shows a dark black wave cresting and overflowing a floodwall and tossing cars , followed by a fishing ship capsizing as it hit the submerged floodwall and then crushed as it was forced beneath a bridge .
It shows a dark black wave cresting and overflowing a floodwall and tossing cars , followed by a fishing boat capsizing as it hit the floodwall and then crushed as it was forced under a bridge .