Hamburg’s ominously expensive and highly mediatised Elbphilharmonie had serious security lacks in the online ticket shop, German media report. Apparently it was quite easy not only to visualize tickets bought before by patrons, but also to reprint them. So if during the next months there will be two or more people wanting to sit one particular seat, the question will be who was the original buyer. Maybe patrons should take their credit card receipts with them… According to the arts centre, the security gap has been repaired a few days ago.