EMERYVILLE, Calif. — The two main characters of “Wind,” the latest short released from Pixar’s innovative SparkShorts program, are a grandmother and grandson who live on giant rocks, are trapped in an endless hole and are working together to find a way out. They represent the grandmother and father of the writer and director of “Wind,” Edwin Chang.
As with other shorts created within the SparkShorts program, which allowed a diverse group of creators to tell their stories their way, “Wind” is deeply personal . . .