According to Ctrip. An unlimited ticket to the Paris Opera House usually refers to an unlimited number of tickets to the Opera House within a specified period of time. Specifically, such tickets are generally valid. During the validity period, you can visit the opera house at any time and the number of times is not limited.

Paris Opera House is the French National Opera House. Built in 1874. There is a drama museum attached to the theater, which contains more than 4000 sets of scenery and costume designs and a large number of documents.