Lotos (dedicated to Julius)
KlangZeitFestival 2008 / 'time is on my side'   
sound-installation in the Dominican church, Münster
February 2nd to 17th    

die anderen / tønder version
sound-installation in the Sønderjyllands Kunstmuseum, Tønder / Denmark
December 4th 2007 to March 2009

Steertlochsiel on the North Sea near Meldorf
in the framework of the Kunst+Landschaft 06 exhibition
since November 2008 maintained by Freundeskreis Grundton

dort drüben
concept for a sound-installation
at the Small Cistern on the Ohlsdorf cemetry in Hamburg
this project is not to be continued

concept for a sound-installation in the watertower
Planetarium, Hamburg
Download: Heiko Hentschel wege zum inneren kosmos (.pdf)

die lichtung
Center for International Light Art, Unna   
Concept for a light-installation at the entrance of the center,
meant to unify the partners of the project 'Hellweg - ein Lichtweg'   

Draft of a monument for the river Elbe
in front of the Kaiserhöft in Hamburg
Work in progress