The new glassy construction resembles a hoisted sail, water wave or quartz crystal; it sits on top of an old warehouse building (Kaispeicher A, built 1963) near the historical Speicherstadt and is designed by architecture firm Herzog & de Meuron.[1][2] It is the tallest inhabited building of Hamburg, with a final height of 110 metres (360 ft). It is popularly nicknamed Elphi.