Zhu Roumeng walks with her pet pig, Wuhua, near her house in Beijing April 22, 2015. Zhu has raised the female pig, which weighs around 85 kilogram, for the last three-and-half years and  they've recently become an internet sensation after she posted her selfies with her pet pig on China's microblogging sites. (Photo by Kim Kyung-Hoon/Reuters)