Joyce Lau has a neat piece in the New York Times about the voluminous street art spawned by Hong Kong’s pro-democracy movement – and, as the endgame gathers speed, what can be done to safeguard it for posterity. That’s no easy task when the Lennon Wall in Admiralty comprises literally thousands of Post-it notes, and many other parts of the city’s occupied territories are also festooned with a multitude of artistic artefacts. This being Hong Kong, absolutely everything has certainly been captured many times over on mobile phones, uploaded to Facebook and Instagram, and spread around the world. If ever put together, the digital archive would be massive and pretty comprehensive. Still, though, there are the actual works of street art themselves. Help is at hand in the form of UMAP – Umbrella Movement Art Preservation. But recovering as much as possible will be a huge task once the clampdown takes place, and Admiralty, Causeway Bay and Mong Kok return to normal life.