Hong Kong, China Photography by Lam Yik. Reporting by Jessie Pang. Added yesterday 26 images Before & After Advertisement As documentary filmmaker Kiwi Chow walked through a pedestrian tunnel in Hong Kong on a recent day, he spotted a team of cleaners scraping off glue left by illegal ads and scrubbing the walls clean with mops. 18 Jun 2021. Hong Kong, China. Reuters/Lam Yik Chow poses for a photograph at Kwun Tong Ferry Pier near his studio. It reminded him of the day he became an activist during the pro-democracy protests that galvanised this Chinese-ruled city in 2019. Back then, he had gathered with his young son and some friends to cover another tunnel wall with Post-it notes scribbled with political messages and drawings.