Located in the city of Luoyang, Henan Province, Changling Village is a poverty-stricken area. Thanks to the Internet and booming e-commerce, local villagers sell black pork by using high-tech measures. (Photos: China Plus)

A photo taken on February 10, 2019 shows teachers doing a live stream via mobile phones in order to expand the market of black pork.

A teacher does a live stream and introduces black pork on February 10, 2019.

Retired teachers find black pork that they reserved previously, February 10, 2019.

Photo taken on February 10, 2019 shows a black pig farm located at Changling Village, Mengjin County in Luoyang.