Introduction
Warner Bros produced a film about how the film was shot. The article describes that Warner Bros film as the first “making-of” in history. A key moment appears at 1:10:30 when a cavalry crosses a frozen river in a scene set in Texas; two cars are visible in the background of that shot and Warner Bros did not mention them.
Project framing
The film about how the film was shot was produced by Warner Bros and is described in the article as the first making-of in history. John Ford was the director of the film. The film depicts Texas and includes a frozen river in the sequence noted at 1:10:30.
Shot detail
At 1:10:30 a cavalry crosses a frozen river in the film. Two cars are visible in the background of that shot. Warner Bros did not mention the background cars in their film about the shoot.
Filmmaker link and context
The article links John Ford to the production. It also notes that David Lean watched The Searchers to study wide landscape shots. The article anchors the key facts of the 1:10:30 timestamp, the Texas frozen river crossing, and the two background cars not mentioned by Warner Bros.

