zhè wèi / xíng dòng yì shù jiā / yòng / jiē tóu biǎo yǎn / biǎo dá / duì / shè huì wèn tí / de / sī kǎo这位行动艺术家用街头表演表达对社会问题的思考。This performance artist uses street performances to express his thoughts on social issues.