DULUTH — A content warning was necessary.

"We've had people cry before," said Madeline Kayser, exhibitions manager at the Duluth Art Institute. "We love to move people, but we want to warn before they go in."

A sign at the entrance to the DAI's downtown gallery space alerts visitors they can expect to see nudity and animal death depicted among the dozens of works on display as part of the 65th Arrowhead Regional Biennial.

The art show is a longstanding Duluth tradition — though not quite as longstanding as one might guess from its name, since the show was originally annual. News Tribune archives indicate the "Arrowhead Art Show" first took place in 1927. It came under the DAI's auspices by the early 1940s, and became a biennial by the early 1980s.

"This biennial has a pretty deep

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