Director Laura Poitras accepts the award for best documentary for her film "Citizenfour" from presenters David Oyelowo and Carmen Ejogo (L) at the 2015 Film Independent Spirit Awards in Santa Monica, California February 21, 2015. [Photo/Agencies]

羅拉·柏翠絲導演的電影《第四公民》獲得最佳紀錄片獎。