Five years ago on a day in November, farmer Lin Chang-keng was out tending his fields when he was struck by a sharp pain in the chest like a powerful electric shock.
五年前十一月某日傍晚，住在嘉義縣中埔鄉的農人林長庚，在田裡除草，忽然覺得胸口一陣劇痛，好像觸電一樣。