The price of oil, copper, steel, international shipping--even mud--shot up.

FORBES: Magazine Article

Mud that adheres to a ball after it lands hard and rolls out makes the next shot unpredictable.

WSJ: 2012 Masters: Freddie Needs a Couple More Days

In The Seven Samurai, the final battle scene used eight cameras and was shot at the expense of the director's toes, frostbitten from days stood in freezing mud.

CNN: Kurosawa Akira