Not the only one: Protest 'Lennon Walls' flower across Hong Kong
Plastered in colorful sticky-notes carrying messages of defiance against Hong Kong's government, so-called "Lennon Walls" have sprung up across the city
Full story: https://www.rappler.com/world/regions/asia-pacific/235890-protest-lennon-walls-flower-across-hong-kong
Full story: https://www.rappler.com/world/regions/asia-pacific/235890-protest-lennon-walls-flower-across-hong-kong