A Chinese woman who sacrificed her job and life to get revenge on a neighbour who poisoned her pet dog to death has shown her face publicly for the first time.After her beloved pet dog Papi, a 13-year-old white West Highland Terrier, was poisoned and killed in a children’s playground in her residential compound in Beijing in 2022, Li Yihan has dedicated her life to defending the animal’s rights.Police found a 65-year-old man surnamed Zhang, who lived in the neighbourhood, to be the...