Documentary is an inspirational ambient track for cinematic documentary, presentations, corporate, technology, time lapse, motivational videos, life, drama trailers, discovery, history, film, and other background documentary.
纪录片是电影纪录片，演示文稿，企业，技术，时间流逝，励志视频，生活，戏剧预告片，发现，历史，电影和其他背景纪录片的鼓舞人心的环境轨道。