Geylang's brothels and streetwalkers are the obvious indications of its notoriety to be a red-light district, but the sex trade there is growing into parts a lot less seen.新山东部疏散大道、第二通道高速公路、巴西古当快速公路、新山东岸快速公路、依斯干达滨海快速公路、士姑来－笨珍快速公路、士�