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US actor Ben Affleck poses in the press room at the 71st Annual Golden Globe Awards. Image Credit: EPA

Two of the stars of the upcoming movie Batman v. Superman: Dawn of Justice have added some Hollywood heft to a Detroit-area group’s efforts to protect bats.

Ben Affleck, who plays Batman in the movie; Amy Adams, who plays Lois Lane; and Zack Snyder, the film’s director, appear in an Organisation for Bat Conservation video posted online on Monday to coincide with National Bat Week. Some of the movie is being filmed in Detroit.

The Detroit Free Press reports that the inspiration for the public service announcement was a National Public Radio story that Snyder heard on white nose syndrome, a fungal disease that’s devastating US bat populations.

Materials from the movie’s sets are being repurposed to build bat houses.