World in Progress: June 4 Museum commemorating the massacre

Authorities in China suppress any commemoration of the 1989 Tiananmen Square massacre. But Hong Kong does not - at least officially. While the annual public vigil there was canceled due to the Coronacrisis, sinice 2019 the private-run June 4th Museum in Hong Kong continues to commemorate the protests. The founders talk about past and present perils and the Chinese pro-democracy movement.