¿Qué trae el Let s Waltz, la nueva expansión de Grand Austria Hotel?

About Grand Austria Hotel: Let's Waltz!, from BoardGameGeek:

Grand Austria Hotel: Let's Waltz! is an expansion for Grand Austria Hotel that contains five modules. Night has fallen in Vienna and it's ball season. Your hotel guests are all dressed up, the champagne is flowing and the society is far from ready to retreat to their bedrooms. Everybody wants to enjoy the nightlife, what better way than to dance in one of Vienna's famous ballrooms until dawn? This it's also the title of the first expansion to the popular Grand Austria Hotel board game by Simone Luciani and Virginio Gigli. In Grand Austria Hotel: Let's Waltz!, your hotel guests can visit Vienna's famous ballrooms, opening up new and exciting strategic possibilities. Especially popular, despite all the socializing at balls: The solo campaigns! For this purpose, Vienna has the Séparée. But that's a whole other story... :)