jǐng fāng / jiā qiáng / le / hóng dēng qū / zhōu biān / de / yè jiān / xún luó / yǐ / bǎo zhàng / jū mín / hé / yóu kè / ān quán

警方加强了红灯区周边的夜间巡逻，以保障居民和游客安全。

The police have increased nighttime patrols around the red-light district to protect residents and tourists.