In 2019, as anti-government protests spread throughout Hong Kong, more than 100 Lennon Walls, covered in sticky notes and other creative displays, appeared around the city. Like the rivers of protesters flowing through Hong Kong’s urban canyons, these sticky notes have covered all sorts of surfaces, including storefronts and freeway pillars.
The Lennon Walls in Hong Kong have transformed nondescript walkways, sky bridges and tunnels into spaces of gathering and exchange where ordinary people would pause, read, write, and engage others in conversations. The simple and highly adaptable technique has allowed multitudes of citizens, visitors and tourists to participate in the movement and the political debate. For more of the story:
https://www.dailyprincetonian.com/article/2019/10/students-construct-lennon-wall-for-hong-kong-in-frist
Source: The Smithsonian Source: The Telegraph