六四

https://www.youtube.com/watch?v=NQKYldH8DMQ

https://www.youtube.com/watch?v=PrHgnDCJ7Sg

https://www.youtube.com/watch?v=Ck7PhJeFuzs

https://www.youtube.com/watch?v=huegyghwh_s

https://cn.nytimes.com/slideshow/20170601/cc01tiananmen-shutterbug-ss/zh-hant/#1

https://www.youtube.com/watch?v=nQQUYE0nQwg

https://www.youtube.com/watch?v=o1lGGD6DBcw

http://hk.apple.nextmedia.com/realtime/international/20170601/56768524

https://www.youtube.com/watch?v=aXbIPxllzBc