jǐng qū lǐ chuān tǒng yī mǎ jiǎ de rén kě néng shì gōng zuò rén yuán zhì yuàn zhě huò ān bǎo

景区里穿统一马甲的人可能是工作人员、志愿者或安保。

People wearing uniform vests in the scenic area may be staff, volunteers, or security.