Updated | An upcoming exhibit at New York’s Guggenheim Museum has drawn ire for what critics say are “several distinct instances of unmistakable cruelty against animals in the name of art.”

The show—titled “Art and China After 1989: Theater of the World” and organized by the curator Alexandra Munroe—traces contemporary art coming out of China during the transformative period from 1989, the year of the Tiananmen Square protests, until 2008. An online petition on Change.org imploring the museum to pull three works from its show has gained nearly half a million signatures in just four days.

“Help us send a message to the Guggenheim,” reads the petition created by Stephanie Lewis. “Let them know that animal cruelty holds no place in art in the United States, nor should it anywhere in the world. This assault on animals in the name of art will not be tolerated or supported.” Read more