On a weekday night last week, passengers on an open-top double-decker bus jostled for a position to take selfies below a suspended lighting display at Mody Lane in Tsim Sha Tsui East, where Hong Kong residents have viewed the city’s dazzling Christmas lights for decades. With 175 illuminated stars spread across 25 rows of dangling lights, the fixture is the work of veteran lighting designer Terence Wong Kim-shan, who has designed and installed Christmas lights for many of the city’s skyscrapers...