Indiquez si vous souhaitez soutenir le projet avec ou sans contrepartie.
Soutenez le projet avec un montant de votre choix et prenez part à son succès.
Vous recevez un certificat personnel pour le*la destinataire*rice du cadeau
EUR 10.-2 prises
Join us for a private pre-tour, to advise us on which buildings to include.
EUR 50.-1 prise
Join us for the pre-tour, plus enjoy free entry to the next Vienna Coffeehouse Conversation, where you meet an interesting stranger from around the world, over a menu of questions.
EUR 100.-0 / 20 prise
Join us for the pre-tour to give your input, plus free dinner, drinks and coffee (worth EUR 70) in the private Landtmannsaal, where visitors from around the world come to understand Vienna better.