🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsSvenskaTiếng Việtالعربيةفارسی한국어中文日本語EntityQ1187918· pop 17· linked from 442 articlessecret passagehidden routes used for stealthy travel, escape, or movement of people and goodsConnectionsbrothelEntityNational Liberation Front of South VietnamEntityCategoriesDeceptionDoorsRoomsTypes of secret places