Some had pierced lips. Others looked like clean-cut college students. A crowd joins Chinese punk rock band Gum Bleed as they perform during a punk festival in Hangzhou, China, on Jan. 17. Photo: AP ...

The crowd, a mix of spiky mohawks, metal-studded jackets, and clean-cut college students, united under the rebellious banner of punk rock. As the music roared, fans engaged in slam-dancing and ...