What could action star Donnie Yen be doing on the rooftop farm of the AITB on 6 February? Not beating up villains for sure. Yen and his spouse Cissy Wang were there as the founders of a charity Go.Asia that partnered with the CUHK School of Architecture to launch a luminous harvest-cooking-seed sowing event that aimed at drawing attention to the importance of a low-carbon lifestyle and expressing support for local farming practices.