For many years, calligraphy signboards for advertising and identifying businesses have been one of the most iconic elements of Hong Kong street scenes. But government regulations that were tightened in 2011 have led to a steady removal of the commercial markings. In an effort to save this aspect of the city’s historical and cultural heritage, architect Ken Fung Tat Wai partnered with Kevin Mak King-huai to establish Street Sign Hong Kong. The organisation works with shop owners to help them…