I'm posting this photo because 35 years later, people in China and Hong Kong can't. https://en.wikipedia.org/wiki/1989_Tiananmen_Square_protests_and_massacre
1989 Tiananmen Square protests and massacre - Wikipedia

@brucelawson In a few years time, they won't because nothing is remembered: https://www.nytimes.com/2024/06/04/business/china-internet-censorship.html
As China’s Internet Disappears, ‘We Lose Parts of Our Collective Memory’

The number of Chinese websites is shrinking and posts are being removed and censored, stoking fears about what happens when history is erased.

The New York Times