Ever since Hong Kong-born illustrator John Ho Tat-hung moved abroad, homecomings have hit especially hard. “Coming out of the airport, passing over Tsing Ma Bridge and seeing the sea – I realise I haven’t seen such a vast expanse of ocean in a long time,” he says. “It takes my breath away. But maybe people who’ve lived here their whole lives wouldn’t notice it.” That sense of rediscovery – seeing home through fresh eyes after time away – is at the heart of Ho’s new exhibition, “100 Corners of...