Taijitu during the Qing period for their possible connection with Zhou Dunyi's "taijitu". Ming period author Lai Zhide (1525–1604) simplified the "taijitu" to a design of two interlocking spirals. In the Ming era, the combination of the two interlocking spirals of the "taijitu" with two black-and-white dots superimposed on them became identified with the "He tu" or "Yellow River diagram" (河圖). This version was reported in Western literature of the late 19th century as the "Great Monad", and has been widely popularised in Western popular culture as the "yin-yang symbol" since the 1960s. The contemporary Chinese term for the modern symbol
Yang ± Yin: Gender in Chinese Cinema Yang ± Yin: Gender in Chinese Cinema Yang ± Yin: Gender in Chinese Cinema is a 1996 documentary by filmmaker Stanley Kwan exploring representations of queerness and LGBT identity in film from Greater China. The film was produced and partially funded by the BFI to mark the centenary of cinema. Using archival footage and specially shot interviews with major filmmakers and actors, director Stanley Kwan constructs a visual essay that attempts to demonstrate that queerness has existed in Chinese cinema since its very earliest movies. He argues that China has provocatively dealt with questions of gender and sexuality in cinema,