The e-ticket you have received by email after payment contains a unique bar code. Simply show
this code on your mobile phone or tablet to the staff at the entrance. You can also
print out the e-ticket from the email and show the printed version.
If you have any questions or problems with your purchase, please contact us:
E-mail support: firstname.lastname@example.org
Phone support: +420 326 551 049 (available only during the opening hours of the monuments!)