"People are very afraid," she said of the dump's closure. "Most people here can't read properly, and every job out there, they want you to have high school, college."
Documentary about Brazil dump vies for Oscar →
"I'm a female documentary filmmaker," Walker said Saturday at a posh HBO reception honoring this year's documentary nominees at the Four Seasons hotel. "Nothing can scare me as much as standing on a red carpet next to movie stars."
Oscar documentary nominees aren't afraid of Banksy →