燕山高又高,金泉水长流,群雁高飞头雁领,书记带咱们向前走。咱们乡亲的主心骨,汗水往一块儿流,和咱们心贴心,争得山河似锦绣。……这是上世纪70年代老电影《艳阳天》的主题歌歌词。还记得,当时通过这部电影在全国各地的广泛播放,这首电影主题歌曾一度响彻长城内外、大江南北,让上一代中国人深深记住了北京郊区有个东山坞农业生产合作社, Yanshan high and tall, golden spring flow, Qunyang goofy goose collar, secretary with us to move forward. The hearts of our folks, sweat to piece together, and our hearts intimate, won the mountains and rivers beautiful. ... This is the theme song of the old movie “Sunny Day” of the 1970s. Remembering that this movie was widely broadcast all over the country at that time, the film’s theme song once resounded both inside and outside the Great Wall from north to south, allowing the previous generation to remember deeply that there was a Dongshanwu agricultural production cooperative in the suburbs of Beijing.