They came to watch the “Battle for Brooklyn.”

They left armed with some advice for their fledgling fight in the Bronx.

The documentary film, shown at the Bronx Documentary Center in Melrose last Thursday evening, chronicles the seven-year civic trench war against the Atlantic Yards development project in downtown Brooklyn.

About 30 south Bronx residents and activists, all adamantly opposed to Fresh Direct building a factory in the south Bronx’s Harlem River Yards, came to see it and learn some lessons about what they’re up against.

The Brooklyn project, led by mega-developer Bruce Ratner, is bigger and more expensive and ultimately handed defeat to project’s opponents.

But the story still resonated in the Boogie Down.

“I had tears in my eyes,” said Ed Garcia Conde, a Melrose blogger and activist. “It’s totally different but it’s the same.”

Read the full story on Bronx Matters.