Most of the film was shot in Santa Clarita and Simi Valley in the State of California. The two locations are not only suitable for the filming of this film, but also serve as a deep explanation of the environmental threats caused by urban expansion. Before starting to write the script, Cassirer was already deeply worried about this. He said: "For 15 years, I have lived in a small town outside Los Angeles, driving 90 miles to and fro every day. I grew up in State of California and witnessed the changes in the urban landscape. The speed at which the city swallows the environment is amazing. of."
The key location of the film's story is in the Costco supermarket, so the crew plans to shoot live in the local Costco supermarket. Since the supermarket cannot be affected, the crew had to shoot between 9 pm and 9 am. Director Cassirer once wittyly described the criteria for judging the end of the filming every day: First, according to the skylight of the supermarket, when the darkness fades and the sun begins to rise, the crew will close; second, the supermarket staff began to drive the crew to prepare to open the door. Open. It can be said that the filming schedule of the film is extremely tight.
However, shooting in the Costco supermarket also has convenient conditions, that is, shopping is convenient. Cassirer clearly remembered that an electrician from the crew was still trying on jeans at 3 in the morning, so the supermarket specially set aside a cash register to open overnight.
