Complex sentence: The Viking Museum is located at the square of Sankt Clemens Torv, beneath the Nordea bank building and is situated upon the site of an archaeological excavation of the 1960s, below street level.
Split into simpler sentences: The Viking Museum is located at the square of Skt. It is located beneath the Nordea bank building and is situated upon the site of an archaeological excavation of the 1960s, below street level.