Clumps of earth dug up from the front of a Chinese woman’s rural dwelling are being sold for up to 18 yuan (US$3) per gram as a “lucky charm” after she shot to online fame by inviting people to slaughter pigs at her home. The 23-year-old from southwestern China’s Chongqing municipality, nicknamed Daidai, posted an online invitation on January 9, asking people to help kill two pigs in preparation for a traditional pork feast. The event on January 11 attracted more than 1,000 visitors. Their cars...