The farmer pushes the massive wooden door steadily farther open with both hands d...

The farmer pushes the massive wooden door steadily farther open with both hands during the full 5 seconds, taking several strong steps sideways with the weight of the door. As the opening widens, the first row of sheep inside begins moving toward the light but remains mostly within the barn. Pigeons on the roof launch into flight one after another, dust swirls through the blue light beam, the w...