An exhibition of works by German painter Caspar David Friedrich at the Hamburger Kunsthalle drew a record number of visitors, the institution said on Tuesday. “With 335,000 visitors, the major anniversary exhibition achieved the highest number of visitors ever in the history of the Hamburger Kunsthalle,” it said. The exhibition opened for the last time as planned on Easter Monday, and tickets had already run out a month earlier. The works of the German Romantic painter were shown on 95 regular visiting days. This means that an average of around 3,500 people flocked to the Kunsthalle each day, …