The jail was in-built 1886 by the French to imprison mainly Vietnamese revolutionaries and in the course of the later years for American prisoners. It’s known as Maison Central, which implies “Central House”, however, it was nicknamed “Hanoi Hilton” by the Americans. The architecture of the temple is extremely beautiful; https://chanceg8wzy.jaiblogs.com/41999568/h1-title-going-through-the-draft-lottery-through-the-vietnam-warfare-history-118-us-historical-past-since-1877-title-h1