Red Guards on the cover of an elementary school textbook.
By Villa Giulia - Scan of cover of non-copyright elementary school textbook from Guangxi 1971, Public Domain, https://commons.wikimedia.org/w/index.php?curid=9737620
The ballet The Red Detachment of Women, one of the Model Dramas promoted during the Cultural Revolution.
By White House photo by Byron Schumaker - White House photo by Byron Schumaker. Source: http://www.gmu.edu/library/specialcollections/acsnic6_13_8f.jpg, Public Domain, https://commons.wikimedia.org/w/index.php?curid=17779694