Imagine an ancient street hovering above the water—this is the famous Merchants' Bridge (or Krämerbrücke) in the city of Erfurt. This unique landmark in Germany is considered the longest bridge in Europe that is not only lined with shops but also serves as a permanent residential area. 
The length of this architectural masterpiece is 79 meters. Built from sandstone and limestone, the bridge rests on six powerful vaulted arches spanning the Gera River. It is topped with charming three-story half-timbered houses, creating the feel of a cozy, narrow medieval street right in the middle of the river.
Today, the bridge features 32 houses, where residential spaces and artisan workshops sit side by side. This site is the primary symbol of the city and a living monument to history, where time seems to have stood still several centuries ago. Tourists are drawn here by the chance to see an "inhabited bridge" that has been preserved in such excellent condition to this day.