The Jungfernstieg was originally called Reesendamm, which was built to dam the Alster. In 1665 the embankment became a promenade with rows of trees where families and their unmarried daughters …
The Binnenalster or Binnenalster is one of two artificial lakes within the city limits of Hamburg, Germany, formed by the Alster. The annual main festival is the Alster pleasure. The lake has an area of 0.2 square kilometers. (Source: Wiki)